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