Joseph Cotten

Dupin

Barbara Stanwyck

Lorna Bounty

Louis Calhern

Charles Theverner

Leslie Caron

Madeline Minot

Joe De Santis

Martin, the butler

Jim Backus

Flaherty

Margaret Wycherly

Mrs. Flynn, the housekeeper

Richard Hale

Durand, the lawyer

Nicholas Joy

Dr. Roland

Roy Roberts

Policeman