 | Nathan Forrest Winters als Casey Collins |
| Brian McHugh als Geoffrey Collins |
| Bobby Salem als Booth Barker |
| Anne Tomin als Marci |
 | Sam Rockwell als Randy Collins |
| Michael Jerome West als Lunatic Cheezo (as Tree) |
| Byron Weible als Lunatic Bippo |
| David C. Reinecker als Lunatic Dippo |
| Timothy Enos als Real Cheezo |
| Frank Diamanti als Real Bippo |
 | Karl-Heinz Teuber als Real Dippo (as Karl Heinz Teuber) |
| Viletta Skillman als Mother |
| Gloria Belsky als Fortune Teller |
| Tom Mottram als Ringmaster |
| Erika Young als Storekeeper |
| Jasper Watts als Storekeeper's Assistant (as Russell Jasper Watts) |
| David E. Gehringer als Balloon Twister |
| Gail Rouse-Haefke als Mother at Balloon Booth |
| Kate Haefke als Daughter at Balloon Booth |
| Sondra Utterback als Melissa |
| Emily Haefke als Little Girl in Crowd |
| Karl Peters als Gapino Brother |
| Kurt Peters als Gapino Brother |
| Andrew P. Swan als Circus Performer |
| Brenda Cox Giguere als Assistant |
| Pam Sperring als Bus Driver |
 | Victor Salva als Radio Newscaster / Extra at Carnival (uncredited) |
| Tim Murray | Technical Advisor |
| Elyse Couvillion | Clapper Loader |
| Nick Sanza | Stunts |
| Marian Wallace | Sound Assistant |
| Karen Schmidt | Production Coordinator |
| Georgiana Hassan | Costume Assistant |
| Bill Bacon | Assistant Production Design |
| Anthony C. Ferrante | Production Assistant |
| Craig Conolly | Production Assistant |
| Brenda Cox Giguere | Makeup Designer |
| Edward Nelson | Assistant Grip |
| Sandina Bailo-Lape | Supervising Sound Editor |
| Tom Rubalcava | Art Direction |
| Tim Young | Casting Director |
| Sabrina Plisco | Editor |
| Robin Mortarotti | Producer |
| Roman Coppola | Executive Producer |
| Karen Lee | Still Photographer |
| Frank Sanza | Stunts |
| Dave Starr | Carpenter |
| Martin McClure | Other |
| Ellen Belsky | Production Assistant |
| Michael Danty | Producer |
| Robert Norgard | Camera Technician |
| Dennis Hale | Grip |
| Nick Sanza | Stunt Coordinator |
| Sara Roberts | Assistant Sound Editor |
| Darrell Lew | Assistant Foley Artist |
| Brad Sanders | Carpenter |
| Vicki Fink | Other |
| Michael Danty | Post Production Supervisor |
| Bob Sitzwohl | Key Grip |
| Paul Raymond Bertoli | Foley Artist |
| Steven Aguilera | Other |
| Mandy Landa | Assistant Production Design |
| William D. Fink | Other |
| Steve Fink | Other |
| Roy Anthony Cox | Editor |
| Michael Becker | Musician |
| Robin Mortarotti | Negative Cutter |
| Brenda Cox Giguere | Costume Designer |
| Sara Ström | Associate Producer |
| Tom Mottram | Studio Teacher |
| Scott Kambic | Title Graphics |
| Dale Caldwell | Color Timer |
| Julian Whatley | First Assistant Camera |
| Eric Forbes | Technical Advisor |
| Bret Allen | Grip |
| Steve Fink | Special Effects Key Makeup Artist |
| Dave Schultz | Graphic Designer |
| Brenda Cox Giguere | Other |
| Marian Wallace | ADR Recordist |
| Robin Mortarotti | Post Production Supervisor |
| Roy Anthony Cox | Production Designer |
| Michael Becker | Original Music Composer |
| Karen Schmidt | Production Accountant |
| Michael Hamm | Production Assistant |
| Ruth Ann Bumala | Other |
| Jim Cassedy | Second Assistant Camera |
| Vicki Fink | Special Effects Makeup Artist |
| Jeff Watts | Supervising Sound Effects Editor |
| Jenny Oznowicz | Assistant Sound Editor |
| James Lindsey | Sound Effects Editor |
| Mark Fay | Foley Artist |
| Gloria Davenport | Other |
| Michael Danty | Production Manager |
| J.R. Lang | Other |
| Clarence Novak | Steadicam Operator |
| Tom Rubalcava | Special Effects Makeup Artist |
| Sabrina Plisco | Sound Recordist |
| Thomas Richardson | Original Music Composer |
| Mike Elwell | Steadicam Operator |
| Kurt Wells | Special Effects Makeup Artist |
| Robin Lee | Sound Effects Editor |
| Michael Emery | Supervising Sound Editor |
| Anna Davis | Assistant Sound Editor |
| Thomas Richardson | Musician |
| Jessica Mortarotti | Other |
| Dick Favaro | Lighting Director |
| Richard Beggs | Sound Re-Recording Mixer |
| Peggy Klaus | Other |
| Roy Davenport | Other |
| Robert Capra | Carpenter |
| William D. Fink | Assistant Makeup Artist |
| Robin Mortarotti | Director of Photography |
| Victor Salva | Writer |
| Victor Salva | Producer |
| Victor Salva | Director |
