The Great Impostor (1960)

Tony Curtis

as Ferdinand Waldo Demara Jr. / Martin Donner / Dr. Gilbert / Ben. W. Stone / Dr. Joseph Mornay / Robert Boyd Hammnd

Karl Malden

as Father Devlin

Edmond O'Brien

as Capt. Glover - HMCS Cayuga

Arthur O'Connell

as Warden J.B. Chandler

Gary Merrill

as Pa Demara

Joan Blackman

as Lt. Catherine Lacey

Raymond Massey

as Abbott Donner

Robert Middleton

as R.C. Brown

Jeanette Nolan

as Ma Demara

Sue Ane Langdon

as Eulalie Chandler

Larry Gates

as Cardinal

Mike Kellin

as Clifford Thompson

Frank Gorshin

as Barney

Cindi Wood

as WAC Lieutenant

Dick Sargent

as Hotchkiss

R

Robert Crawford Jr.

as Fred Demara Jr. (as Robert Crawford)

Doodles Weaver

as Farmer Hauling Fertilizer

Ward Ramsey

as Lieutenant Commander Howard - HMCS Cayuga

David White

as Dr. Hammond

Philip Ahn

as Capt. Hun Kim