- Bryan Forbes(as Brian Forbes)
- John G. Heller(as John Heller)
- Allan Cuthbertson(as Alan Cuthbertson)
Rest of cast listed alphabetically
- Jack Armstrong(uncredited)
- John Bailey(uncredited)
- Diana Beaumont(uncredited)
- Michael Bell(uncredited)
- Steven Berkoff(uncredited)
- Nigel Bernard(uncredited)
- Michael Bird(uncredited)
- Douglas Blackwell(uncredited)
- Ernest Blyth(uncredited)
- Eddie Boyce(uncredited)
- Derek Briggs(uncredited)
- Max Butterfield(uncredited)
- Freddy Clark(uncredited)
- Mike Conner(uncredited)
- Patrick Connor(uncredited)
- Dan Darnelli(uncredited)
- John Dunbar(uncredited)
- Roy Everson(uncredited)
- Max Faulkner(uncredited)
- Eric Francis(uncredited)
- Otto Friese(uncredited)
- Charles Gilliard(uncredited)
- Patrick Halpin(uncredited)
- Gordon Harris(uncredited)
- Geoffrey Hibbert(uncredited)
- George Holdcroft(uncredited)
- Ned Lynch(uncredited)
- Alfred Maron(uncredited)
- Lola Morice(uncredited)
- Norman Morris(uncredited)
- Michael Oliver(uncredited)
- Paul Phillips(uncredited)
- Dido Plumb(uncredited)
- Donald Price(uncredited)
- Ernie Priest(uncredited)
- Tony Spears(uncredited)
- Philip Stewart(uncredited)
- Reg Thomason(uncredited)
- Martin Voss(uncredited)
- Robert Vossler(uncredited)
- Ernst Walder(uncredited)
- Eric Wetherell(uncredited)
- Ian Whittaker(uncredited)
- Paula Wright(uncredited)
- Johnny Wyne(uncredited)
- John Palmerassociate producer
- Maxwell Settonproducer
- Basil Emmottdirector of photography
- William Hutchinsonart director (as W.E. Hutchinson)
- Barbara Barnardhairdresser
- Stuart Freebornmakeup artist
- William Hillproduction manager
- Fred Slarkassistant director
- Len Shiltonsound recordist
- Peter Thorntondubbing editor
- Gerry Humphreysboom operator (uncredited)
- Wally Veeversspecial effects
- Gus Drissecamera operator (as Guy Drisse)
- Frank Northlighting cameraman: second unit
- Laurie Ridleystill photographer (as Laurence Ridley)
- Mike Robertsclapper loader (uncredited)
- Ernie Farrerwardrobe supervisor (as Ernest Farrar)
- John Jympsonassembly cutter
- John Addisonconductor: The Sinfonia of London
- Sinfonia of Londonmusicians: orchestra (as The Sinfonia of London)
- Pamela Carltoncontinuity
- John Crewdsonaircraft film services
- Major Fernandeztechnical adviser
- Stephen Wattstechnical adviser
Crew believed to be complete
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