Farley Granger

William Calhoun Denny

Shelley Winters

Katherine "Kate" Denny

William Demarest

O'Ryan

Francis L. Sullivan

Fat Freddy

Margalo Gillmore

Kate's Mother

Lon Chaney Jr.

Pinky

Hans Conried

Norbert Gillespie

Elisha Cook Jr.

Albert Jonas

Glenn Anders

Pete the Pusher

Allen Jenkins

Police Plainclothesman

Sheldon Leonard

Shortwave Bert

Marvin Kaplan

Max the Umbrella

Henry Corden

Numi

Don Beddoe

Sgt. O'Neill (uncredited)

Kathleen Freeman

Pet Shop Proprietor's Wife (uncredited)

George Beck