James Stewart character L.B. "Jeff" Jefferies
Grace Kelly character Lisa Carol Fremont
Wendell Corey character Det. Lt. Thomas J. Doyle
Thelma Ritter character Stella
Raymond Burr character Lars Thorwald
Judith Evelyn character Miss Lonelyhearts
Ross Bagdasarian character Songwriter
Georgine Darcy character Miss Torso
Sara Berner character Woman on Fire Escape (uncredited)
Frank Cady character Man on Fire Escape (uncredited)
Jesslyn Fax character Miss Hearing Aid (uncredited)
Rand Harper character Newlywed (uncredited)
Irene Winston character Emma Thorwald
Havis Davenport character Newlywed (uncredited)
Jerry Antes character Dancer with Miss Torso (uncredited)
Benny Bartlett character Man with Miss Torso (uncredited)
Nick Borgani character Minor Role (uncredited)
Sue Casey character Sunbather (uncredited)
Iphigenie Castiglioni character Woman with Bird (uncredited)
James Cornell character Minor Role (uncredited)
Don Dunning character Detective (uncredited)
Marla English character Girl at Songwriter's Party (uncredited)
Bess Flowers character Songwriter's Party Guest with Poodle (uncredited)
Art Gilmore character Radio Announcer (voice) (uncredited)
Fred Graham character Detective (uncredited)
Kathryn Grant character Girl at Songwriter's Party (uncredited)
Charles Harvey character Minor Role (uncredited)
Len Hendry character Policeman (uncredited)
Alfred Hitchcock character Clock-Winder in Songwriter's Apartment (uncredited)
Harry Landers character Man with Miss Lonelyhearts (uncredited)
Alan Lee character Newlyweds' Landlord (uncredited)
Mike Mahoney character Policeman (uncredited)
Jonnie Paris character Sunbather (uncredited)
Eddie Parker character Detective (uncredited)
Robert Sherman character Minor Role (uncredited)
Dick Simmons character Man with Miss Torso (uncredited)
Ralph Smiley character Carl (uncredited)
Jack Stoney character Ice Man (uncredited)
Anthony Warde character Detective (uncredited)
Gig Young character Jeff's Editor (voice) (uncredited)
