Mildred Natwick
/ Nadia Demarest / Suspicious Woman

Anthony Ross
/ Andy Barnes / Albert / Cruze

Eileen Heckart
/ Margaret Quartermain / Mollie / Mrs. Haskell

Conrad Janis
/ Sprad / Tommy / Richard

Royal Dano
/ Marvin the Push / Policeman / Lucky

Cloris Leachman
/ Ruth Shaw / Margaret Sou

Boris Karloff
/ Toff / Bronson / Rasputin

Brian Keith
/ Johnny / Kip Caley / Lt. Jim Connor / Idaho

William Prince
/ Cunningham

Judith Evelyn
/ Mrs. Collins

Nina Foch

George Reeves
/ Bill Reed / Roger Sherman / D.P. Bradford

Paul Langton
/ Winters

Walter Slezak
/ Dr. Potterton / Richard Morley / Frank Cadwallader

Ruth McDevitt
Mrs. Griffin / / Mrs. Waters / Jenny / Mrs. Barret

John Forsythe
/ Wiltshire / David

E.G. Marshall
/ Eddie Hunt / Abner Snopes / Gavin Stevens

Peter Capell
/ Gunner

Leslie Nielsen
/ Serge Soudekine

Joseph Anthony
/ Zevich