Diretor/a
Peter Jefferies
DIRETOR/A
Ron Francis
David Foster
John Cooper
Elenco (na ordem dos créditos)
Cheryl Burfield
Liz Skinner
Spencer Banks
Simon Randall
Denis Quilley
Commander Charles Traynor
Iris Russell
Jean Skinner
Derek Benfield
Frank Skinner
Mary Preston
Beth Skinner
Ian Fairbairn
Alpha 4
John Barron
Morgan C. Devereaux
Teri Scoble
Alpha 16
David Graham
2957
Merdelle Jordine
Vera
Brian Pettifer
Paul
John Alkin
Young Frank Skinner
Sandor Elès
Captain Gottfried
John Barcroft
Dr. Bukov
Paul Humpoletz
Graz
Hilary Minster
Fritz
Royston Tickner
George Bradley
Patrick Durkin
Delta 22
Peggy Thorpe-Bates
Dr. Edith Joynton
Robert Oates
Larry
Lesley Scoble
Alpha 17
Mary Larkin
Maria
Bruce Beeby
Desk Attendant
Sally Templer
Sarah
John Swindells
Pitman
Derek Sydney
De Sarem
John Cazabon
Mr. Randall
Kenneth Watson
Dr. Fordyce
Virginia Balfour
Alice Fortune
Peter Fairley
Self
Hilary Liddell
Ward Sister
John Garrie
Arthur Griffiths
Harry Davis
Commissionaire
John Herrington
News Vendor
Dennis Balcombe
Driver
Peter Sproule
Ferris
Keith Grenville
Dr. Ferguson
John Abbott
Phipps
Richard Thorp
George Pointer
Walter Goodman
R1 Patient(uncredited)