Roger Livesey
Major General Clive Wynne-Candy
Deborah Kerr
Edith Hunter / Barbara Wynne / Angela "Johnny" Cannon
Adolf Wohlbrück
Theo Kretschmar-Schuldorff
Roland Culver
Col. Betteridge
James McKechnie
Spud Wilson
Arthur Wontner
Embassy Counsellor
David Hutcheson
Hoppy
Ursula Jeans
Frau von Kalteneck
John Laurie
Murdoch
Harry Welchman
Major Davies
Robert Harris
Embassy Secretary
A.E. Matthews
President of Tribunal
Theodore Zichy
Colonel Borg (as Count Zichy)
Jane Millican
Nurse Erna
Neville Mapp
Stuffy Graves
Vincent Holman
Club Porter (1942)
Spencer Trevor
Period Blimp
James Knight
Club Porter (1902)
Dennis Arundell
Cafe Orchestra Leader
David Ward
Kaunitz
Jan Van Loewen
Indignant Citizen
Valentine Dyall
von Schonborn
Carl Jaffe
von Reumann
Albert Lieven
von Ritter
Eric Maturin
Colonel Goodhead
Frith Banbury
Baby-Face Fitzroy
Phyllis Morris
Pebble
Muriel Aked
Aunt Margaret
Reginald Tate
van Zijl
Yvonne Andre
The Nun
Marjorie Gresley
The Matron
Felix Aylmer
The Bishop
Norman Pierce
Mr. Wynne
Edward Cooper
BBC Official
Joan Swinstead
Secretary
Pat McGrath
Tommy Tucker (uncredited)