 | Billy Crystal als Buddy Young Jr. |
 | David Paymer als Stan |
 | Julie Warner als Elaine |
 | Helen Hunt als Annie Wells |
 | Mary Mara als Susan |
 | Jerry Orbach als Phil Gussman |
 | Ron Silver als Larry Meyerson |
 | Sage Allen als Mom |
 | Jason Marsden als Buddy (Age 15) |
 | Michael Weiner als Stan (Age 8) |
 | Larry Gelman als Mr. Gimbel |
| Kay Freeman als Mrs. Gimbel |
| Howard Mann als Stage Manager |
| Julius Branca als Stage Manager |
| Liz Georges als Script Girl |
| Bill Wendell als Announcer |
| Hartley Haverty als Susan (Age 6) |
 | Will Jordan als Ed Sullivan |
 | Josh Byrne als Buddy (Age 6) |
 | Ben Diskin als Stan (Age 9) |
| Irving Wasserman als Uncle Moe |
| Phil Forman als Uncle Julius |
| Joe Shea als MC |
| Michael Ben-Edward als Fat Guy in Audience |
 | Carl Ballantine als Freddie |
 | Slappy White als Joey |
| Richard Mehana als Sidney |
 | Mark Lonow als Producer |
 | Conrad Janis als Director |
 | Tim Russ als A.D. |
 | Marc Shaiman als Lucky Zindberg |
| Chayim Frenkel als Cantor at Funeral |
| Jan Lucas als Karen (Casting Director) |
| Daniel Tisman als Reece |
| Peter Kim als Maitre d' |
 | Greg Joung Paik als Owner |
| Eugene Kaufmann als Old Man |
| Miranda Garrison als Apache Dancer |
| Alberto Toledano als Apache Dancer |
 | Richard Kind als Reporter |
 | Jerry Lewis als Himself |
| Edith Fields als Woman in Commercial |
 | Adam Goldberg als Eugene Gimbel |
| Maria A. Ferrari Olivo als Fat Guy's Wife |
| Talbot Perry Simons als Man at Catskills |
| Lonnie Burr als TV Show Dancer |
| Randy Doney als TV Show Dancer |
| Joe A. Giamalva als TV Show Dancer |
| Birl Jonns als TV Show Dancer |
 | Shadoe Stevens als Fred |
| Bert Copello als Sullivan A.D. |
| Lindsay Crystal als Screaming Girl |
| Dana Lipsic als Other Screaming Girl |
| Jerry Gadette als Stage Hand |
| William Yamadera als Japanese Client |
 | Lowell Ganz als Writer #1 |
 | Babaloo Mandel als Writer #2 |
| Gary Grossman als Backstage Man |
 | Bob Yerkes als Acrobat |
| Marinela Cimpoeru als Acrobat |
| Costin Csizmas als Acrobat |
| Voinea Dumitru als Acrobat |
| Adrian Smertcov als Acrobat |
| Steven Kravitz als Young Comic |
 | Randy Crenshaw als 'Buddy Buddy' Singer |
 | Geoff Koch als 'Buddy Buddy' Singer |
| Steve Lively als 'Buddy Buddy' Singer |
| Rick Logan als 'Buddy Buddy' Singer |
| Billy Crystal | Director |
| Lowell Ganz | Writer |
| Billy Crystal | Writer |
| Babaloo Mandel | Writer |
| Brian Burrows | Stunt Coordinator |
| Kent Beyda | Editor |
| Donald Peterman | Director of Photography |
| Billy Crystal | Producer |
| Marion Tumen | Script Supervisor |
| Albert Brenner | Production Design |
| Ruth Myers | Costume Design |
| Pam Dixon | Casting |
| Marc Shaiman | Original Music Composer |
| Babaloo Mandel | Executive Producer |
| Lowell Ganz | Executive Producer |
| David Cass Jr. | Second Assistant Director |
| Jim Chory | First Assistant Director |
| Peter Schindler | Co-Producer |
| Kelly Van Horn | Production Manager |
| Peter Montagna | Hair Designer |
| Steve LaPorte | Hair Designer |
| William A. Farley | Hair Designer |
| William A. Farley | Makeup Designer |
| Peter Montagna | Makeup Designer |
| Steve LaPorte | Makeup Designer |
| Carol Winstead Wood | Art Direction |
| Keith Peterman | Camera Operator |
| Kathe Klopp | Set Decoration |
| Randy Nolen | Steadicam Operator |
| Jay Peterman | First Assistant Camera |
| Brad Peterman | Second Assistant Camera |
| Jeff Wexler | Production Sound Mixer |
| Steve Bowerman | Boom Operator |
| Huw Davies | Location Manager |
| Sean Hobin | Second Second Assistant Director |
| Wilt Henderson | Assistant Editor |
| Thomas Calderon | Assistant Editor |
| Robert Grieve | Supervising Sound Editor |
| Kevin O'Connell | Sound Re-Recording Mixer |
| Rick Kline | Sound Re-Recording Mixer |
| Lisa Lynn Kearsley | Production Coordinator |
| Cindy Franke | Assistant Production Coordinator |
| C.J. Maguire | Property Master |
| Kal Manning | Gaffer |
| Calvin Sterry | Key Grip |
| Todd McIntosh | Makeup Artist |
| Richard Alonzo | Makeup Artist |
| Hazel Catmull | Hairstylist |
| Richard Sabre | Hairstylist |
| Harold Fuhrman | Set Designer |
| David P. Kelsey | Special Effects Supervisor |
| Linda Henrikson | Costume Supervisor |
| Chuck Velasco | Costume Supervisor |
| Robin Borman-Wizan | Costumer |
| Marcie Olivi | Costumer |
| Armand Coutu | Costumer |
| Steve A. Hagberg | Construction Coordinator |
| Robert Hunter Jr. | Transportation Coordinator |
| Peter Schindler | Second Unit Director |
| Gail Martin-Sheridan | Production Accountant |
| Deborah Houtsma | Post Production Accountant |
| Joe Keeper | Post Production Accountant |
| Dalia Taft | Art Department Coordinator |
| Arthur Gelb | Graphic Designer |
| Bruce McBroom | Still Photographer |
| Scott Crabbe | Video Assist Operator |
| Caryn Richmond | Casting Assistant |
| Douglas E. Maxwell | Leadman |
| Ken M. Suzuki | Best Boy Electric |
| Francis X. Valdez III | Rigging Gaffer |
| Larry Freeman | Electrician |
| Richard Hartley | Electrician |
| Rick Wilhoit | Electrician |
| Armando Contreras | Best Boy Grip |
| Donald L. Hartley | Dolly Grip |
| Randy Burgess | Rigging Grip |
| Tyrone Jackson | Grip |
| Jay Michael Pearce | Grip |
| Traci Lashbrook | Camera Loader |
| Craig T. Crowell | Transportation Captain |
| Ken Bellanca | Transportation Captain |
| George Alden | Driver |
| Michael Avallon | Driver |
| Jim Chesney | Driver |
| James M. Dunne | Driver |
| Stu Bernstein | Sound Editor |
| Robert L. Sephton | Sound Editor |
| Steve Mann | Sound Editor |
| Michael Dressel | Sound Editor |
| John Murray | Foley Supervisor |
| Jessica Gallavan | Supervising ADR Editor |
| Jonathan Klein | ADR Editor |
| Rich Steven | Dialogue Editor |
| Sherman Waze | Dialogue Editor |
| Jeanine Schaack | First Assistant Sound Editor |
| Roy Seeger | Assistant Sound Editor |
| Madeleine Swift | Assistant Sound Editor |
| Jennifer Portman | Apprentice Sound Editor |
| James Ashwill | Foley Mixer |
| Nerses Gezalyan | Foley Recordist |
| Robert Deschaine | ADR Mixer |
| David Jobe | ADR Recordist |
| Matt Patterson | Sound Recordist |
| Dale E. Grahn | Color Timer |
| Mary Nelson-Duerrstein | Negative Cutter |
| Scott Stambler | Music Supervisor |
| Hummie Mann | Music Supervisor |
| Artie Kane | Conductor |
| Mark McKenzie | Orchestrator |
| Lauren Ross | Location Manager |
| Michael Anderson | Grip |
| Bernardo Hiller | Dialogue Coach |
