Mildred Natwick
/ Nadia Demarest / Suspicious Woman

Anthony Ross
/ Cruze / Albert / Andy Barnes

Eileen Heckart
/ Mrs. Haskell / Margaret Quartermain / Mollie

Conrad Janis
/ Tommy / Sprad / Richard

Royal Dano
/ Policeman / Marvin the Push / Lucky

Cloris Leachman
/ Margaret Sou / Ruth Shaw

Boris Karloff
/ Bronson / Rasputin / Toff

Brian Keith
/ Kip Caley / Lt. Jim Connor / Johnny / 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 / Jenny / Mrs. Barret / / Mrs. Waters

John Forsythe
/ Wiltshire / David

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

Peter Capell
/ Gunner

Leslie Nielsen
/ Serge Soudekine

Joseph Anthony
/ Zevich