as L.B. 'Jeff' Jefferies

as Lisa Fremont

as Det. Lt. Thomas J. Doyle

as Stella

as Lars Thorwald

as Miss Lonelyhearts

as Songwriter

as Miss Torso

as Woman on Fire Escape

as Man on Fire Escape

as Miss Hearing Aid

as Newlywed

as Emma Thorwald

as Newlywed

as Dancer with Miss Torso (uncredited)

as Man with Miss Torso (uncredited)

as Sunbather (uncredited)

as Woman with Bird (uncredited)

as Minor Role (uncredited)

as Detective (uncredited)

as Girl at Songwriter's Party (uncredited)

as Songwriter's Party Guest with Poodle (uncredited)

as Radio Announcer (voice) (uncredited)

as Detective (uncredited)

as Girl at Songwriter's Party (uncredited)

as Minor Role (uncredited)

as Policeman (uncredited)

as Clock-Winder in Songwriter's Apartment (uncredited)

as Man with Miss Lonelyhearts (uncredited)

as Newlyweds' Landlord (uncredited)

as Policeman (uncredited)

as Sunbather (uncredited)

as Detective (uncredited)

as Minor Role (uncredited)

as Man with Miss Torso (uncredited)

as Carl (uncredited)

as Ice Man (uncredited)

as Detective (uncredited)

as Jeff's Editor (voice) (uncredited)