- Sean Connery
- Samson Shillitoe
- Joanne Woodward
- Rhoda Shillitoe
- Jean Seberg
- Lydia West
- Patrick O'Neal
- Dr. Oliver West
- Colleen Dewhurst
- Dr. Vera Kropotkin
- Clive Revill
- Dr. Menken
- Werner Peters
- Dr. Freddie Vorbeck
- John Fiedler
- Daniel K. Papp
- Kay Medford
- Mrs. Fish
- Jackie Coogan
- Mr. Fitzgerald
- Zohra Lampert
- Evelyn Tupperman
- Sorrell Booke
- Leonard Tupperman
- Sue Ane Langdon
- Miss Walnicki
- Bibi Osterwald
- Mrs. Fitzgerald
- Mabel Albertson
- Chairwoman
- Gerald S. O'Loughlin
- Chester Quirk
- James Millhollin
- Rollie Butter
- Jon Lormer
- Dr. Huddleson
- Bernie Meyer
- Jago
- Richard S. Castellano
- Arnold
- Harry Bellaver
- Knocker
- Renée Taylor
- Myrna
- Walter Bacon
- Waiter at Luncheon
- Al Bain
- Bibman
- Fay Bernardi
- Ugly Woman
- Gail Bonney
- Miss Buehler
- Mary Boylan
- Minor Role
- Lovyss Bradley
- Clubwoman
- Leonard Bremen
- Rhoda's Boss
- Calvin Brown
- Boxer in Gym
- Ron Burke
- Attendant
- Mushy Callahan
- Trainer
- Dee Carroll
- Nurse
- Phyllis Coghlan
- Mrs. Smeeton
- Joe Connors
- Customer
- Kevin Cooper
- Scott
- William J. Daprato
- Minor Role
- Diane Deering
- Minor Role
- Nora Denney
- Waitress
- Lester Dorr
- Mr. Smeeton
- Ayllene Gibbons
- Clubwoman
- Bobby Gilbert
- Waiter at Luncheon
- Sandra Lee Gimpel
- Secretary
- Chuck Hicks
- Customer
- Robert Hitchcock
- Office Worker
- Sean Keeping
- Dana Tupperman
- Roland La Starza
- Angie - Sparrer
- Mike Lally
- Gym Attendant
- Fred Lerner
- Technician
- Louise Lorimer
- Clubwoman at Luncheon
- Dorothea MacFarland
- Streetwalker
- Packy McFarland
- Minor Role
- Jean Moore
- Lab Assistant
- Mike Morelli
- Cook
- George N. Neise
- Television Interviewer
- Maidie Norman
- Waitress
- William H. O'Brien
- Waiter at Luncheon
- Harvey Parry
- E.L. Bingham
- John Pedrini
- Customer
- Joyce Perry
- Receptionist
- Sammy Shack
- Bibman
- Jack Shea
- Delicassen Customer
- Peg Shirley
- Waitress
- Charles Smith
- Mr. Lookoff - Junior Executive
- Norman Stevans
- Office Worker
- Judith Stoner
- Secretary
- Éva Szörényi
- Ava
- John Truax
- Customer
- Rosetta Veneziano
- Mrs. Agajanian
- Helen Verbit
- Minor Role
- Charles Welch
- Panhandler
- John Yates
- Office Worker
