- Rod Steiger
- Christopher Gill
- Lee Remick
- Kate Palmer
- George Segal
- Morris Brummel
- Eileen Heckart
- Mrs. Brummel
- Murray Hamilton
- Inspector Haines
- Michael Dunn
- Mr. Kupperman
- Martine Bartlett
- Alma Mulloy
- Barbara Baxley
- Belle Poppie
- Irene Dailey
- Mrs. Fitts
- Doris Roberts
- Sylvia Poppie
- Ruth White
- Mrs. Himmel
- Val Bisoglio
- Detective Monaghan
- David Doyle
- Lieutenant Dawson
- Kim August
- Sadie
- Tom Ahearne
- Father O'Brien
- Val Avery
- Bartender
- Louis Basile
- Customer
- R. Bernard
- Indignant Man
- Don Blair
- Reporter
- Mary Boylan
- Sadie's Neighbor
- Linda Canby
- Teenage Girl
- Sam Coppola
- Customer
- Mae Crane
- (uncredited)
- James Dukas
- Police Artist
- John Dutra
- Man Walking Dog
- Veronica Ericson
- Sardi's Customer
- Joey Faye
- Superintendent
- William Fort
- Staff Editor
- John Gerstad
- Dr. Shaffer
- Leonard Hutton
- Art Dealer
- Glenn Kezer
- Officer
- Don Koll
- Detective
- Tony Major
- Officer
- J. Molinski
- J. Molinski
- Al Nesor
- Customer
- Richard Nicholls
- Man in Sardi's
- Bob O'Connell
- Officer
- Eddie Philips
- News Vendor
- Pat Ripley
- Woman
- Vincent Sardi Jr.
- Vincent Sardi Jr.
- Zvee Scooler
- Old Man
- P. Jay Sidney
- Medical Examiner
- William Smidt
- Detective Sergeant
