Margaret Lockwood

as Nina

Vic Oliver

as Sascha

Peter Graves

as Peter Pyke

Roland Culver

as Ferdinand

Jean Simmons

as Heidi

Eliot Makeham

as Dumka

Iris Lang

as Tania

George Relph

as Otto

Max Bacon

as Jacobus

Gibb McLaughlin

as Marcel

Irene Handl

as Miss Haddock

Henry Hewitt

as Announcer

Alan Keith

as Raphael

Frank Cellier

as Pyke

John Salew

George Merritt

Jonathan Field

Harry Fowler

as Bellboy (uncredited)

Charles Paton

as (uncredited)

Victor Rietti

as Maître d (uncredited)