Marcus Welby, M.D. The Light at the Threshold (Season 5, Episode 5)
TV-PG
TV Episode | 60 min | Drama

Primary photo for The Light at the Threshold

Marcus Welby, M.D.

The Light at the Threshold (Season 5, Episode 5)

TV-PG

TV Episode | 60 min | Drama

A teenage girl suffers from a catastrophic eye condition that could leave her blind. Welby searches for answers while the girl tries to adapt to her situation.

Director

Joseph Pevney

Writers

Paul Schneider | David Victor (created by) | Margaret Schneider

Producer

Composer

Cinematographer

Editor

See all filmmakers & crew (23)

Edit Released

Updated Oct 9, 1973

Release date

Oct 9, 1973 (United States)

Awards

Series awards

Won 4 Primetime Emmy Awards. Another 8 wins & 30 nominations

Contacts

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Cast	+ Add Cast
14 cast members

Name	Known for
Robert Young Dr. Marcus Welby Dr. Marcus Welby See fewer	Crossfire (1947)
James Brolin Dr. Steven Kiley Dr. Steven Kiley See fewer	Traffic (2000)
Elena Verdugo Consuelo Lopez Consuelo Lopez See fewer	Marcus Welby, M.D. (1969)
Carol Lawrence Adele Robbins Adele Robbins See fewer	Death to Smoochy (2002)
Gordon Pinsent Dr. Joseph Xavier Dr. Joseph Xavier See fewer	Away from Her (2006)
Ryan MacDonald Bill Robbins Bill Robbins See fewer	JFK (1991)
Audrey Landers Tracy Robbins Tracy Robbins See fewer	Dallas (1978)
Rodney Allen Rippy Jeffrey (as Rodney Alan Rippy) Jeffrey (as Rodney Alan Rippy) See fewer	Bucks of America
Amentha Dymally Jeffrey's Mother Jeffrey's Mother See fewer	Coma (1978)
Richard Laurance Williams Technician Technician See fewer	The Get-Man (1974)
Tammi Bula 3rd Schoolmate 3rd Schoolmate See fewer	The Waltons (1972)
Anthony Eldridge 2nd Schoolmate 2nd Schoolmate See fewer	Mannix (1967)
Pilar Del Rey Nurse Nurse See fewer	Giant (1956)
Steven Benson Student (uncredited) Student (uncredited) See fewer	Brewster's Millions (1985)