On screen
Cast
23 credited performers
Peter Cushing
Dr. Victor Stein
Francis Matthews
Dr. Hans Kleve
Eunice Gayson
Margaret Conrad
Michael Gwynn
Karl
John Welsh
Bergman
Lionel Jeffries
Fritz
Oscar Quitak
Dwarf
Richard Wordsworth
Up Patient
John Stuart
Inspector
Michael Ripper
Kurt
Charles Lloyd Pack
President
Arnold Diamond
Molke
Artwork unavailable
Marjorie Gresley
Countess Barscynska
Artwork unavailable
Anna Walmsley
Vera Barscynska
George Woodbridge
Janitor
Ian Whittaker
Boy
Artwork unavailable
Avril Leslie
Girl
Artwork unavailable
John Tatham
Manservant (uncredited)
Artwork unavailable
Eugene Leahy
Kleine (uncredited)
Artwork unavailable
Charles Gilliard
Policeman (uncredited)
Artwork unavailable
Jimmy Charters
Patient (uncredited)
Artwork unavailable
Julia Nelson
Inga (uncredited)
Artwork unavailable
Robert Brooks Turner
Joseph the Groom (uncredited)