On screen
Cast
18 credited performers
David Niven
Sir William Stephenson
Michael York
Evan Michaelian
Barbara Hershey
Madelaine
Artwork unavailable
Paul Harding
Col. Juergen
Flora Robson
Sister Luke
Peter Gilmore
Gubbins
Renée Asherson
Mrs. Wainwright
Nigel Stock
Winston Churchill
Ferdy Mayne
Alexander Korda
Gayle Hunnicutt
Cynthia
Artwork unavailable
Shirley Steedman
Anna
Belinda Mayne
Deidra
Artwork unavailable
Larry Reynolds
Nils Bohr
Artwork unavailable
Joseph Golland
Albert Einstein
Chris Wiggins
Heisenberg
Dick O'Neill
Bill Donovan
Ken James
J. Edgar Hoover
Shane Rimmer
Willoughby