Robert Hays
D.H. 'Hank' Mercer / Biff Deegan
Catherine Mary Stewart
Marissa
Christopher Murney
Lt. Greenberg
Fred Gwynne
Victor Greville
Celeste Holm
Claire
J
Jonathan Moore
Nicholas Rubinstein
Martin Neufeld
Pete
Michael Copeman
B
Bunty Webb
Eric Keenleyside
Robin Ward
E
Eric Fink
T
Thick Wilson
A
Al Bernardo
Louis Di Bianco
Marc Gomes
R
Raymond Hunt
J
James Walton
Lynne Cormack
Lynne Gorman
R
Robbi Baker
A
Alan Rose
Tony (uncredited)
Jacques Sandulescu
Timothy (uncredited)
Lewis J. Stadlen
Norman Wagstaff (uncredited)
G
Gavin Steed
Roger Delacroix (uncredited)