Billy Crystal as Buddy Young Jr.

David Paymer as Stan

Julie Warner as Elaine

Helen Hunt as Annie Wells

Mary Mara as Susan

Jerry Orbach as Phil Gussman

Ron Silver as Larry Meyerson

Sage Allen as Mom

Jason Marsden as Buddy (Age 15)

Michael Weiner as Stan (Age 8)

Larry Gelman as Mr. Gimbel

Kay Freeman as Mrs. Gimbel

Howard Mann as Stage Manager

Julius Branca as Stage Manager

Liz Georges as Script Girl

Bill Wendell as Announcer

Hartley Haverty as Susan (Age 6)

Will Jordan as Ed Sullivan

Josh Byrne as Buddy (Age 6)

Ben Diskin as Stan (Age 9)

Irving Wasserman as Uncle Moe

Phil Forman as Uncle Julius

Joe Shea as MC

Michael Ben-Edward as Fat Guy in Audience

Carl Ballantine as Freddie

Slappy White as Joey

Richard Mehana as Sidney

Mark Lonow as Producer

Conrad Janis as Director

Tim Russ as A.D.

Marc Shaiman as Lucky Zindberg

Chayim Frenkel as Cantor at Funeral

Jan Lucas as Karen (Casting Director)

Daniel Tisman as Reece

Peter Kim as Maitre d'

Greg Joung Paik as Owner

Eugene Kaufmann as Old Man

Miranda Garrison as Apache Dancer

Alberto Toledano as Apache Dancer

Richard Kind as Reporter

Jerry Lewis as Himself

Edith Fields as Woman in Commercial

Adam Goldberg as Eugene Gimbel

Maria A. Ferrari Olivo as Fat Guy's Wife

Talbot Perry Simons as Man at Catskills

Lonnie Burr as TV Show Dancer

Randy Doney as TV Show Dancer

Joe A. Giamalva as TV Show Dancer

Birl Jonns as TV Show Dancer

Shadoe Stevens as Fred

Bert Copello as Sullivan A.D.

Lindsay Crystal as Screaming Girl

Dana Lipsic as Other Screaming Girl

Jerry Gadette as Stage Hand

William Yamadera as Japanese Client

Lowell Ganz as Writer #1

Babaloo Mandel as Writer #2

Gary Grossman as Backstage Man

Bob Yerkes as Acrobat

Marinela Cimpoeru as Acrobat

Costin Csizmas as Acrobat

Voinea Dumitru as Acrobat

Adrian Smertcov as Acrobat

Steven Kravitz as Young Comic

Randy Crenshaw as 'Buddy Buddy' Singer

Geoff Koch as 'Buddy Buddy' Singer

Steve Lively as 'Buddy Buddy' Singer

Rick Logan as 'Buddy Buddy' Singer