- Shirley MacLaine
- Louisa May Foster
- Paul Newman
- Larry Flint
- Robert Mitchum
- Rod Anderson, Jr.
- Dean Martin
- Leonard 'Lennie' Crawley
- Gene Kelly
- Pinky Benson
- Robert Cummings
- Dr. Victor Stephanson
- Dick Van Dyke
- Edgar Hopper
- Reginald Gardiner
- Painter
- Margaret Dumont
- Mrs. Foster
- Lou Nova
- Trentino
- Fifi D'Orsay
- Baroness
- Maurice Marsac
- Rene
- Wally Vernon
- Agent
- Jane Wald
- Polly
- Lenny Kent
- Hollywood Lawyer
- Fred Aldrich
- Restaurant Patron
- Leon Alton
- Awards Ceremony Guest
- Don Anderson
- Awards Ceremony Guest
- Army Archerd
- TV Announcer
- Anton Arnold
- Mr. Foster
- Phil Arnold
- Publicity and Press Agent
- Mark Bailey
- Private Airline Pilot
- Al Bain
- Restaurant Patron
- John Barton
- Farmer
- Al Beaudine
- Restaurant Patron
- Marjorie Bennett
- Mrs. Freeman
- Shirley Blackwell
- Party Guest
- Nesdon Booth
- Restaurant Patron
- Eugene Borden
- Minor Role
- Lynn Borden
- Minor Role
- Barbara Bouchet
- Girl on Plane
- John Cliff
- Waiter
- Christopher Connelly
- Ned
- Tom Conway
- Lord Kensington
- William Corcoran
- Leonard Crawley Jr. - Age 7
- Paul Cristo
- Party Guest
- Carol Daniels
- Bathing Beauty
- Alphonso DuBois
- Frenchman
- Peter Duchin
- Pianist at cocktail party
- James Elsegood
- Dancer in Houseboat Number
- Anthony Eustrel
- Willard
- Pamelyn Ferdin
- Geraldine Crawley - Age 4
- Fred Fisher
- Customer
- Jeff Fithian
- Jonathan Crawley - Age 5
- Joe Fithian
- Jonathan Crawley - Age 5
- Jacques Foti
- Policeman
- Milton Frome
- Lawyer
- Teri Garr
- Dancer in Shipboard Number
- Roy Goldman
- Diner Customer
- Roy Gordon
- Minister
- Sid Gould
- Movie Executive
- Joe Gray
- Patron
- Jack Greening
- Chester
- Gari Hardy
- Girl
- Arlene Harris
- Older Woman in Club Audience
- Sam Harris
- Party Guest
- Marcel Hillaire
- French Lawyer
- Casse Jaeger
- Dancer in Houseboat Number
- Paula Lane
- Movie Executive's Girl
- Queenie Leonard
- Lady Kensington
- Jack Mattis
- Dancer in Houseboat Number
- Ernesto Molinari
- Diner Patron
- Burt Mustin
- Crawleyville Lawyer
- Patrick O'Moore
- Undetermined Secondary Role
- Murray Pollack
- Party Guest
- Tony Regan
- Party Guest
- Leoda Richards
- Party Guest
- Cleo Ronson
- Minor Role
- Clark Ross
- Photographer
- Myrna Ross
- Party Girl at Rod Anderson's 'Orgy'
- John Roy
- Police Officer
- Jack Shea
- Restaurant Patron
- Justin Smith
- Minor Role
- Stephen Soldi
- Frenchman
- Norman Stevans
- Party Guest
- Dick Wilson
- Driscoll
- Helene Winston
- Doris
- John Zimeas
- Frenchman
