| Jerry Seinfeld | Jerry Seinfeld |
| Julia Louis-Dreyfus | Elaine Benes |
| Michael Richards | Cosmo Kramer |
| Jason Alexander | George Costanza |
| Bob Balaban | Russell Dalrymple |
| Anne Twomey | Rita Kirson |
| Gina Hecht | Dana Foley |
| Peter Crombie | 'Crazy' Joe Davola |
| Jeremy Piven | Michael Barth (George) |
| Larry Hankin | Tom Pepper (Kramer) |
| Kevin Page | Stu Chermack |
| Mariska Hargitay | Melissa |
| Laura Waterbury | Casting Director |
| Elena Wohl | Sandi Robbins (Elaine) |
| Bruce Jarchow | Doctor |
| Al Ruscio | Manager |
| Richard Gant | Fred |
| Peter Blood | Jay Crespi |
| Roger Rose | Mark |
| Brian Bradley | Butler |
| Samantha Dorman | Waitress |
| Erick Avari | Cabbie |
| Bob Shaw | Paul |
| Stephen Burrows | David |
| Deborah Swisher | 1st AD |
| Jeff Oetjen | Wilton |
| Pat Hazell | Pat Hazell |
| Tony Amendola | Rushdie
(uncredited) |
| Shirley Beck | Makeup Artist
(uncredited) |
| Norman Brenner | Man on 'Jerry' Set
(uncredited) |
| Elza Camacho | Woman on 'Jerry' Set
(uncredited) |
| Jennifer Campbell | Tia Van Camp
(uncredited) |
| Lanei Chapman | Housekeeper
(uncredited) |
| Larry Charles | Man on Raft #2
(uncredited) |
| Tom Cherones | Director on 'Jerry' Set
(uncredited) |
| Kari Coleman | Allison
(uncredited) |
| Larry David | John F. Kennedy Jr. /
Man on Raft #1
(uncredited) |
| Elizabeth Dennehy | The Drakette
(uncredited) |
| Brian Doyle-Murray | Mel Sanger
(uncredited) |
| Bill Erwin | Sidney Fields
(uncredited) |
| Maggie Han | Cheryl
(uncredited) |
| Victor Wayne Harris | Man on 'Jerry' Set
(uncredited) |
| Teri Hatcher | Sidra Holland
(uncredited) |
| Jon Hayman | Donald Sanger
(voice) (uncredited) |
| Darin Henry | Man in 'Jerry' Audience
(uncredited) |
| Nicholas Hormann | Calvin Klein
(uncredited) |
| Janet Kagan | Woman on 'Jerry' Set
(uncredited) |
| Dennis Kirkpatrick | Man on 'Jerry' Set
(uncredited) |
| Wayne Knight | Newman
(uncredited) |
| Peggy Lane | Woman on 'Jerry' Set
(uncredited) |
| Jane Leeves | Marla Penny
(uncredited) |
| Warren Littlefield | Man in 'Jerry' Audience
(uncredited) |
| Rick Ludwin | Man in 'Jerry' Audience
(uncredited) |
| Carol Mansell | Mrs. Sanger
(uncredited) |
| Barney Martin | Morty Seinfeld
(uncredited) |
| Bill Masters | Man in Restaurant
(uncredited) |
| Peter Mehlman | Man in Restaurant
(uncredited) |
| Rick Overton | The Drake
(uncredited) |
| Glenn Padnick | Man on 'Jerry' Set
(uncredited) |
| Pete G. Papanickolas | Man on 'Jerry' Set
(uncredited) |
| Gavin Polone | Man in 'Jerry' Audience
(uncredited) |
| Pete San Filipo Sr. | Man on 'Jerry' Set
(uncredited) |
| Todd Schwartz | Man in 'Jerry' Audience
(uncredited) |
| Liz Sheridan | Helen Seinfeld
(uncredited) |
| Steve Skrovan | Man in Restaurant
(uncredited) |
| Heidi Swedberg | Susan Ross
(uncredited) |
| Mark Taormino | Man #2 on Jerry Set (Kramer Look-Alike)
(uncredited) |
| Karen Wilkie | Woman on 'Jerry' Set
(uncredited) |
| Ping Wu | Ping
(uncredited) |
| Jeffrey Yerkes | Man on Set
(uncredited) |