Tom Kovack
Leonard Nimoy
Michele Brent
Susan Hampshire
Hopkins
Ewan Roberts
Dr. Reed
Milton Johns
TV interviewer
Al Mancini
Theatre Doorman
John Rae
Cleaning Woman
Patsy Smart
Track Announcer
Shane Rimmer
Mrs. Farraday
Rachel Roberts
Andrea Glenn
Vera Miles
Jennifer Glenn
Jewel Blanch
Louise Sanford
Valerie Taylor
George Tracewell
Ray Brooks
Peggy Tracewell
Angharad Rees
Verelli
Christopher Benjamin
Parrish
Mike Murray
Director
Philip Leacock
Teleplay
Theodore Apstein
Producer
Executive Producer
Norman Felton
Associate Producer
John Oldknow
Editor
Bill Blunden
Director of Photography
Ken Hodges
Original Music Composer
Richard Hill
Art Direction
Harry Pottle
Production Manager
Malcolm J. Christopher
Location Manager
Bernard Hanson
Assistant Director
Michael Dryhurst
Third Assistant Director
Michael Murray
Supervising Sound Editor
John Ireland
Sound Mixer
Gordon K. McCallum
Sound Recordist
John W. Mitchell
Sound Re-Recording Mixer
John Hayward
Stunt Coordinator
Joe Dunne
Costume Supervisor
Elsa Fennell
Conductor
Continuity
Joan Davis