Directed by
| Clint Eastwood | ... | (directed by) |
Writing Credits
| Hal Dresner | ... | (screenplay by) & |
| Warren Murphy | ... | (screenplay by) (as Warren B. Murphy) & |
| Rod Whitaker | ... | (screenplay by) |
| Rod Whitaker | ... | (based on the novel by) (as Trevanian) |
Cast (in credits order) verified as complete
| Clint Eastwood | ... | Jonathan Hemlock | |
| George Kennedy | ... | Ben Bowman | |
| Vonetta McGee | ... | Jemima Brown | |
| Jack Cassidy | ... | Miles Mellough | |
| Heidi Brühl | ... | Mrs. Montaigne (as Heidi Bruhl) | |
| Thayer David | ... | Dragon | |
| Reiner Schöne | ... | Freytag (as Reiner Schoene) | |
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Michael Grimm | ... | Meyer |
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Jean-Pierre Bernard | ... | Montaigne |
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Brenda Venus | ... | George |
| Gregory Walcott | ... | Pope | |
| Candice Rialson | ... | Art Student | |
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Elaine Shore | ... | Miss Cerberus |
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Dan Howard | ... | Dewayne |
| Jack Kosslyn | ... | Reporter | |
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Walter Kraus | ... | Kruger |
| Frank Redmond | ... | Wormwood | |
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Siegfried Wallach | ... | Hotel Manager |
| Susan Morgan Cooper | ... | Buns (as Susan Morgan) | |
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Jack Frey | ... | Cab Driver |
Produced by
| David Brown | ... | executive producer |
| Robert Daley | ... | producer (produced by) |
| Richard D. Zanuck | ... | executive producer |
Music by
| John Williams | ||
Cinematography by
| Frank Stanley | ... | director of photography |
| William N. Clark | ... | (uncredited) |
Editing by
| Ferris Webster | ... | film editor |
Makeup Department
| Janis Clark | ... | hairstylist: United States (as Janice Clark) |
| Joe McKinney | ... | makeup artist |
| Agnese Panarotto | ... | hairstylist: Switzerland |
Production Management
| Mario Pisani | ... | unit manager: Switzerland |
| Fred R. Simpson | ... | unit production manager: United States (as Fred Simpson) |
| Wallace Worsley Jr. | ... | unit production manager: Switzerland (as Wallace Worsley) |
| Charles Clement | ... | post production operations head (uncredited) |
Second Unit Director or Assistant Director
| James Fargo | ... | first assistant director (as Jim Fargo) |
| Craig Huston | ... | second assistant director: United States |
| Victor Tourjansky | ... | second assistant director: Switzerland |
Art Department
| Larry Clark Bird | ... | property master: United States (as Larry Bird) |
| Joe Chevalier | ... | property master: Switzerland |
| Aurelio Crugnola | ... | art director: Switzerland |
| John M. Dwyer | ... | set decorations-United States (as John Dwyer) |
| George C. Webb | ... | art director: United States (as George Webb) |
Sound Department
| James R. Alexander | ... | sound |
| Robert L. Hoyt | ... | sound rerecording (as Robert Hoyt) |
| Roger Heman Jr. | ... | re-recording mixer (uncredited) |
| Earl Madery | ... | re-recording mixer (uncredited) |
| Dennis C. Salcedo | ... | optical sound recordist (uncredited) |
| Roger Sword | ... | sound editor (uncredited) |
Special Effects by
| Ben McMahan | ... | special effects (as Ben Mc Mahan) |
Stunts
| Bill Couch | ... | stunts (uncredited) |
| Dick Dial | ... | stunts (uncredited) |
| Orwin C. Harvey | ... | stunts (uncredited) |
| Carey Loftin | ... | stunts (uncredited) |
| George Orrison | ... | stunt double: Clint Eastwood (uncredited) / stunts (uncredited) |
| Buddy Van Horn | ... | stunts (uncredited) |
Camera and Electrical Department
| Marion Ball Jr. | ... | grip |
| Buddy Bowles | ... | gaffer (as Bud Bowles) |
| Bruce Catlin | ... | camera assistant |
| Don Christie | ... | stillman: United States |
| William N. Clark | ... | camera operator (as Bill Clark) |
| John Cleare | ... | photographer: mountain sequences |
| Mike Hoover | ... | photographer: mountain sequences |
| Bud Howell | ... | key grip |
| Peter Pilafian | ... | photographer: mountain sequences |
| Jim Porter | ... | best boy |
| J.J. Rayman | ... | stillman: Switzerland |
| Frank Redmond | ... | camera assistant |
| Tim Ryan | ... | second grip |
| Jeff Schoolfield | ... | photographer: mountain sequences |
| Pete White | ... | photographer: mountain sequences |
Costume and Wardrobe Department
| Frank Balchus | ... | wardrobe man: Switzerland |
| Sheila Mason | ... | wardrobe woman: United States |
| Bona Nasalli-Rocca | ... | wardrobe woman: Switzerland |
| Nefte Riccò | ... | seamstress (as Nefte Ricco) |
| Charles Waldo | ... | wardrobe designer |
| Glenn Wright | ... | costume supervisor |
Editorial Department
| Richard C. Meyer | ... | assistant editor: United States (as Richard Meyer) |
| Roberto Silvi | ... | assistant editor: Switzerland |
Music Department
| Robert Bain | ... | musician: guitar (uncredited) |
| Arnold Belnick | ... | musician: violin (uncredited) |
| Bob Bornstein | ... | music copyist (uncredited) |
| Dennis Budimir | ... | musician: guitar (uncredited) |
| Thomas R. Buffum | ... | musician: violin (uncredited) |
| Larry Bunker | ... | musician: percussion (uncredited) |
| Alf Clausen | ... | music copyist (uncredited) |
| Ronald Cooper | ... | musician: cello (uncredited) |
| Don Cristlieb | ... | musician: bassoon (uncredited) |
| Jay Daversa | ... | musician: trumpet (uncredited) |
| Douglas Davis | ... | musician: cello (uncredited) |
| Sandy De Crescent | ... | orchestra contractor (uncredited) |
| Vince De Rosa | ... | musician: french horn (uncredited) |
| Chuck Domanico | ... | musician: fender bass (uncredited) |
| Assa Drori | ... | musician: violin (uncredited) |
| David Duke | ... | musician: French horn (uncredited) |
| Earl Dumler | ... | musician: oboe (uncredited) |
| John Ellis | ... | musician: oboe (uncredited) |
| Gil Falco | ... | musician: trombone (uncredited) |
| Victor Feldman | ... | musician: percussion (uncredited) |
| Dominick Fera | ... | musician: clarinet (uncredited) |
| Chuck Findley | ... | musician: trumpet (uncredited) |
| Ralph Grierson | ... | musician: piano (uncredited) |
| The Hollywood Studio Symphony | ... | music performed by (uncredited) |
| Tommy Johnson | ... | musician: tuba (uncredited) |
| Pete Jolly | ... | musician: accordion (uncredited) |
| Anatol Kaminsky | ... | musician: violin (uncredited) |
| Armand Kaproff | ... | musician: cello (uncredited) |
| Dennis Karmazyn | ... | musician: cello (uncredited) |
| Milton Kestenbaum | ... | musician: bass (uncredited) |
| Jacob Krachmalnick | ... | musician: violin (uncredited) |
| Raphael Kramer | ... | musician: cello (uncredited) |
| Michael Lang | ... | musican: piano & keyboards (uncredited) |
| Sinclair Lott | ... | musician: french horn (uncredited) |
| Abe Luboff | ... | musician: bass (uncredited) |
| Alfred Lustgarten | ... | musician: violin (uncredited) |
| Edgar Lustgarten | ... | musician: cello (uncredited) |
| Arthur Maebe | ... | musician: french horn (uncredited) |
| Virginia Majewski | ... | musician: viola (uncredited) |
| Jack Marsh | ... | musician: bassoon (uncredited) |
| Lincoln Mayorga | ... | musician: piano (uncredited) |
| Malcolm McNab | ... | musician: trumpet (uncredited) |
| Richard Nash | ... | musician: trombone (uncredited) |
| Ted Nash | ... | musician: flute (uncredited) |
| Dan Neufeld | ... | musician: viola (uncredited) |
| Erno Neufeld | ... | musician: violin (uncredited) |
| John Neufeld | ... | musician: clarinet (uncredited) |
| Richard Perissi | ... | musician: french horn (uncredited) |
| Bill Perkins | ... | musician: bari sax (uncredited) |
| Joe Porcaro | ... | musician: percussion (uncredited) |
| Dorothy Remsen | ... | musician: harp (uncredited) |
| Emil Richards | ... | musician: percussion (uncredited) |
| Sheldon Sanov | ... | musician: violin (uncredited) |
| David Schwartz | ... | musician: viola (uncredited) |
| Frederick Seykora | ... | musician: cello (uncredited) |
| Haim Shtrum | ... | musician: violin (uncredited) |
| Paul Shure | ... | musician: violin (uncredited) |
| David Speltz | ... | musician: cello (uncredited) |
| Herbert W. Spencer | ... | orchestrator (uncredited) |
| Sheridon Stokes | ... | musician: flute (uncredited) |
| Tommy Tedesco | ... | musician: guitar (uncredited) |
| Milton Thomas | ... | musician: viola (uncredited) |
| Robert Tricarico | ... | musician: bassoon (uncredited) |
| Louise Di Tullio | ... | musician: flute (uncredited) |
| Lloyd Ulyate | ... | musician: trombone (uncredited) |
| Ian Underwood | ... | musician: piano (uncredited) |
| Gerald Vinci | ... | musician: violin (uncredited) |
| Don Waldrop | ... | musician: accordion (uncredited) |
| Ken Watson | ... | musician: percussion (uncredited) |
| Jerry Williams | ... | musician: drums (uncredited) |
| John Williams | ... | conductor (uncredited) / music producer (uncredited) |
| Albert Woodbury | ... | orchestrator (uncredited) |
| Kenneth Yerke | ... | musician: violin (uncredited) |
| Graham Young | ... | musician: trumpet (uncredited) |
| Mary Louise Zeyen | ... | musician: cello (uncredited) |
Script and Continuity Department
| Tom Moore | ... | script supervisor |
Transportation Department
| Art Rimdzius | ... | transportation captain: United States |
Additional Crew
| Martin Boysen | ... | climber: from the Dougal Haston International School of Mountaineering in Leysin, Switzerland |
| Bev Clark | ... | climber: from the Dougal Haston International School of Mountaineering in Leysin, Switzerland |
| Laura Fattori | ... | production secretary: Switzerland |
| Dougal Haston | ... | climber: from the Dougal Haston International School of Mountaineering in Leysin, Switzerland |
| David Knowles | ... | climber: from the Dougal Haston International School of Mountaineering in Leysin, Switzerland |
| Jack Kosslyn | ... | dialog coach |
| Hamish MacInnes | ... | climber: from Scotland (as Hamish McInnes) |
| Guy Neithardt | ... | climber: from the Dougal Haston International School of Mountaineering in Leysin, Switzerland |
| Carol Rydall | ... | secretary: The Malpaso Company |
| Charles Scott | ... | climber: from the Dougal Haston International School of Mountaineering in Leysin, Switzerland |
| Robin Demetriou | ... | cast and crew chef (uncredited) |
Thanks
| Norman Dyhrenfurth | ... | our grateful appreciation to the climber: leader of expedition |
| Mike Hoover | ... | our grateful appreciation to the climber: climbing advisor |