Cliff Robertson
— David Ballard
Jean Simmons
— Dominique Ballard
Jenny Agutter
— Ann Ballard
Simon Ward
— Tony Calvert
Ron Moody
— Dr. Rogers
Flora Robson
— Mrs. Davis
David Tomlinson
— Attorney
Judy Geeson
— Marjorie Craven
Michael Jayston
— Arnold Craven
Jack Warner
Leslie Dwyer
Erin Geraghty
Jack McKenzie
Michael Nightingale
Brian Hayes
