Ray Milland

Stanford White

Joan Collins

Evelyn Nesbit Thaw

Farley Granger

Harry Kendall Thaw

Luther Adler

Delphin Delmas

Cornelia Otis Skinner

Mrs. Thaw

Glenda Farrell

Mrs. Nesbit

Frances Fuller

Mrs. Elizabeth White

Phillip Reed

Robert Collier

Gale Robbins

Gwen Arden

James Lorimer

McCaleb

John Hoyt

William Travers Jerome

Robert F. Simon

Stage Manager (as Robert Simon)

Harvey Stephens

Dr. Hollingshead DDS

Emile Meyer

Hunchbacher

Henry Kulky

Prisoner (uncredited)

Richard Fleischer