Discover

Betta St. John
Sally Sandford

Alexander Knox
Dr. Peter Walton

Christopher Lee
John Preston

Sandra Dorne
Sylvia

Patrick Holt
Sylvia's Husband

John Stuart
Dr. Underwood

Bill Fraser
Joe Newton
Peter Grant
Bob Newton

Betty Ann Davies
Mrs. Sandford

John Longden
Richard Sandford
Camera
Jack E. Cox
Director of Photography
Directing
David MacDonald
Director
Writing
Paul Tabori
Writer