Steve Martin

Character: Navin R. Johnson

Bernadette Peters

Character: Marie Kimble Johnson

Catlin Adams

Character: Patty Bernstein

Mabel King

Character: Mother

Richard Ward

Character: Father

Carl Gottlieb

Character: Iron Balls McGinty

Dick Anthony Williams

Character: Taj

Bill Macy

Character: Stan Fox

M. Emmet Walsh

Character: Madman

Dick O'Neill

Character: Frosty

Maurice Evans

Character: Hobart

Helena Carroll

Character: Hester

Ren Woods

Character: Elvira

Pepe Serna

Character: Punk #1

Sonny Terry

Character: Blues Singer

Brownie McGhee

Character: Blues Singer

Jackie Mason

Character: Harry Hartounian

Sharon Johansen

Character: Lenore Hartounian

Gene LeBell

Character: Con Man

Carl Reiner

Character: Carl Reiner the Celebrity

Larry Hankin

Character: Circus Hand (uncredited)

Howard Hesseman

Character: Carnival Worker (uncredited)

Rob Reiner

Character: Truck Driver Picking Up Navin (uncredited)

Gailard Sartain

Character: Guy with Cracked Airplane Seats (uncredited)

Lenny Montana

Character: Con Man

William Schallert

Character: Judge M.A. Loring

David Landsberg

Character: Bank Manager

Domingo Ambriz

Character: Father De Cordoba

Richard Foronjy

Character: Con Man

Clete Roberts

Character: Announcer

Frances E. Williams

Character: Grandma Johnson

Lydia McGhee

Character: Cleotis Johnson

Niko Denise Holmes

Character: Satch Johnson

Shawn Harris

Character: Pierre Johnson

Nyles Harris

Character: Leroy Johnson (as Niles Harris)

Susan Denise Harrison

Character: Lisa Johnson

Douglas S. Close

Character: Fireman

Trinidad Silva

Character: Punk

Alston Ahern

Character: Bride

Lawrence Green

Character: Father of the Bride

Ken Magee

Character: Carnival Rube

Tom J. Delaney

Character: Tourist

Alfred Dennis

Character: Irving

Marc Loge

Character: Farm Boy

Jon Leichter

Character: Billy

Lillian Adams

Character: Tillie

Joe Lynn

Character: Voodoo Dancer

Maurice Marsac

Character: French Waiter

Fred Lerner

Character: Con Man

Jerry G. Velasco

Character: Man in Garden

Kimberly Cameron

Character: Disco Party

Elizabeth Macey

Character: Disco Party

Richie Reiner

Character: Disco Party

Daniel Trevor

Character: Disco Party

Benjie Bancroft

Character: Bailiff (uncredited)