Witness to Murder

Barbara Stanwyck

Cheryl Draper

George Sanders

Albert Richter

Gary Merrill

Police Lt. Lawrence Mathews

Jesse White

Police Sgt. Eddie Vincent

Harry Shannon

Captain Donnelly

Claire Carleton

May - Mental Patient

Lewis Martin

Psychiatrist

Dick Elliott

Apartment Manager

Harry Tyler

Charlie

Juanita Moore

Negress - Mental Patient

Joy Hallward

Fellow Worker

Adeline De Walt Reynolds

The Old Lady - Mental Patient (as Adeline de Walt Reynolds)

Claude Akins

Police Officer (uncredited)

Jean Fenwick

Nurse (uncredited)

Burt Mustin

Building Night Watchman at End (uncredited)

Lyn Thomas

Joyce Stewart (uncredited)