The Dark Mirror

Olivia de Havilland

Terry / Ruth Collins

Lew Ayres

Dr. Scott Elliott

Richard Long

Rusty

Lela Bliss

Mrs. Didriksen

Lester Allen

George Benson

Ida Moore

Mrs. O'Brien (uncredited)

Jean Andren

District attorney's secretary (uncredited)

Marta Mitrovich

Miss Beade (uncredited)

Jack Gargan

Waiter (uncredited)

Amelita Ward

Photo-double (uncredited)

William Halligan

Sergeant Temple (uncredited)

Charles McAvoy

Janitor O'Brien (uncredited)

Robert Siodmak

Director

Milton Krasner

Director of Photography

Ernest J. Nims

Editor

Duncan Cramer

Production Design

Irene Sharaff

Costume Design

Nunnally Johnson

Producer

Devereaux Jennings

Special Effects

Paul K. Lerpae

Special Effects

Nunnally Johnson

Writer

Vladimir Pozner

Original Story

Frank Skinner

Music

Arthur Johns

Sound