Mark Robert Kingston
Terence Longdon
Inspector Wills
Donald Gray
Mary Johnson
Diane Clare
Ronald Fortescue
Robertson Hare
Prof. Henry Taylor
Dermot Walsh
Joy Clark
Jill Hyem
Jill
Felicity Young
Detective Sergeant Willoughby
Douglas Muir
Sir Lionel
Edwin Styles
College Tutor
Tony Thawnton
Screenplay
Michael Winner
Director
Camera Operator
Hugh Davey