Richard Chamberlain
King Edward VIII
Faye Dunaway
Wallis Warfield Simpson
Patrick Macnee
Lord Brownlow
Eileen Herlie
Queen Mary
Henry Oliver
Winston Churchill
Robert Douglas
Stanley Baldwin
Murray Matheson
Walter Monckton
Peter Ashton
George
Ivor Barry
Owens
William Beckley
Albert
Peter Bromilow
Harry
Eric Micklewood
Alberto Morin
Rouen Hotel Manager
Gerald Peters
Benson (as Gerald S. Peters)
June Whitley Taylor
Friend
Richard G. Wray
Editor
Richard Belding
Supervising Editor
Robin S. Clark
Unit Manager
Walter Strenge
Cinematography
John K. Kean
Sound
Joseph C. Cavalier
Associate Producer
Jean Coulter
Stunts
Charles Waldo
Costume Design
Hal Mooney
Music Supervisor
John McGreevey
Writer
David J. O'Connell
Producer
Loyd S. Papez
Art Direction
Paul Wendkos
Director
Foster H. Phinney
Assistant Director
Joseph Reith
Set Decoration
Theadora Van Runkle
Costume Designer
David Victor
Executive Producer