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
Producer
Teleplay
Theodore Apstein
Executive Producer
Norman Felton
Editor
Bill Blunden
Associate Producer
John Oldknow
Director of Photography
Ken Hodges
Art Direction
Harry Pottle
Original Music Composer
Richard Hill
Supervising Sound Editor
John Ireland
Sound Re-Recording Mixer
John Hayward
Conductor
Sound Mixer
Gordon K. McCallum
Third Assistant Director
Michael Murray
Stunt Coordinator
Joe Dunne
Location Manager
Bernard Hanson
Assistant Director
Michael Dryhurst
Costume Supervisor
Elsa Fennell
Continuity
Joan Davis
Sound Recordist
John W. Mitchell
Production Manager
Malcolm J. Christopher