彼得·塞勒斯

饰 Grand Duchess Gloriana XII / Prime Minister Count Rupert Mountjoy / Tully Bascombe

珍·茜宝

饰 Helen Kokintz

William Hartnell

饰 Will Buckley

David Kossoff

饰 Professor Alfred Kokintz

莱奥·麦凯恩

饰 Benter

MacDonald Parke

饰 General Snippet

Austin Willis

饰 United States Secretary of Defense

Timothy Bateson

饰 Roger

Monte Landis

饰 Cobbley

Alan Gifford

饰 Air Raid Warden

Colin Gordon

饰 BBC Announcer

Harold Kasket

饰 Pedro

Guy Deghy

饰 Soviet Ambassador (uncredited)

Eve Eden

饰 Spectator (uncredited)

Bill Edwards

饰 Army Captain (uncredited)