Michael Caine
Sidney Cochran
Walter Matthau
Marvin Michaels
Elaine May
Millie Michaels
Herb Edelman
Harry Michaels
Richard Pryor
Dr. Chauncey Gump
Bill Cosby
Dr. Willis Panama
Sheila Frazier
Bettina Panama
David Sheehan
David Sheehan
Jerrold Ziman
Man on Phone
Brian Cummings
Autograph Seeker
Zora Margolis
Autograph Seeker
Paolo Frediani
Handsome Actor
Judith Hannah Brown
Oscar Winner
Gary Hendrix
Oscar Winner's Date
Christopher Pennock
Policeman
David Rini
Airline Representative
Benjie Bancroft
Commuter (uncredited)
James Coburn
Actor in Diana's Movie (uncredited)
Laura Gile
Restaurant Patron (uncredited)
Bob Harks
Plane Passenger (uncredited)
Paul LeClair
Restaurant Patron (uncredited)
Norman Palmer
Restaurant Patron (uncredited)
Leoda Richards
Restaurant Patron (uncredited)
Stan Rodarte
Dancer (uncredited)
Arthur Tovey
Restaurant Patron (uncredited)
Catherine Wilkinson
Original Daughter (uncredited)