L.B. 'Jeff' Jefferies

Lisa Fremont

Det. Lt. Thomas J. Doyle

Stella

Lars Thorwald

Miss Lonelyhearts

Songwriter

Miss Torso

Woman on Fire Escape

Man on Fire Escape

Miss Hearing Aid

Newlywed

Emma Thorwald

Newlywed

Dancer with Miss Torso (uncredited)

Man with Miss Torso (uncredited)

Sunbather (uncredited)

Woman with Bird (uncredited)

Minor Role (uncredited)

Detective (uncredited)

Girl at Songwriter's Party (uncredited)

Songwriter's Party Guest with Poodle (uncredited)

Radio Announcer (voice) (uncredited)

Detective (uncredited)

Girl at Songwriter's Party (uncredited)

Minor Role (uncredited)

Policeman (uncredited)

Clock-Winder in Songwriter's Apartment (uncredited)

Man with Miss Lonelyhearts (uncredited)

Newlyweds' Landlord (uncredited)

Policeman (uncredited)

Sunbather (uncredited)

Detective (uncredited)

Minor Role (uncredited)

Man with Miss Torso (uncredited)

Carl (uncredited)

Ice Man (uncredited)

Detective (uncredited)

Jeff's Editor (voice) (uncredited)