Steve Martin
Role: Navin R. Johnson
Bernadette Peters
Role: Marie Kimble Johnson
Catlin Adams
Role: Patty Bernstein
Carl Gottlieb
Role: Iron Balls McGinty
Dick Anthony Williams
Role: Taj
M. Emmet Walsh
Role: Madman
Maurice Evans
Role: Hobart
Helena Carroll
Role: Hester
Sonny Terry
Role: Blues Singer
Brownie McGhee
Role: Blues Singer
Jackie Mason
Role: Harry Hartounian
Sharon Johansen
Role: Lenore Hartounian
Carl Reiner
Role: Carl Reiner the Celebrity
Larry Hankin
Role: Circus Hand (uncredited)
Howard Hesseman
Role: Carnival Worker (uncredited)
Rob Reiner
Role: Truck Driver Picking Up Navin (uncredited)
Gailard Sartain
Role: Guy with Cracked Airplane Seats (uncredited)
Lenny Montana
Role: Con Man
William Schallert
Role: Judge M.A. Loring
David Landsberg
Role: Bank Manager
Domingo Ambriz
Role: Father De Cordoba
Richard Foronjy
Role: Con Man
Clete Roberts
Role: Announcer
Frances E. Williams
Role: Grandma Johnson
Lydia McGhee
Role: Cleotis Johnson
Niko Denise Holmes
Role: Satch Johnson
Shawn Harris
Role: Pierre Johnson
Nyles Harris
Role: Leroy Johnson (as Niles Harris)
Susan Denise Harrison
Role: Lisa Johnson
Douglas S. Close
Role: Fireman
Lawrence Green
Role: Father of the Bride
Ken Magee
Role: Carnival Rube
Tom J. Delaney
Role: Tourist
Alfred Dennis
Role: Irving
Lillian Adams
Role: Tillie
Joe Lynn
Role: Voodoo Dancer
Maurice Marsac
Role: French Waiter
Jerry G. Velasco
Role: Man in Garden
Kimberly Cameron
Role: Disco Party
Elizabeth Macey
Role: Disco Party
Richie Reiner
Role: Disco Party
Daniel Trevor
Role: Disco Party
Benjie Bancroft
Role: Bailiff (uncredited)