 | Raúl Juliá als Stu Quiñones |
 | Griffin O'Neal als Danny Masters |
 | Desi Arnaz als Mayor Leon Quiñones |
 | Teri Garr als Arlene |
 | Joan Hackett als Aunt Sibyl |
 | Gabriel Dell als Uncle Burke |
 | John P. Ryan als Vernon |
 | Elizabeth Daily als Sandra |
 | M. Emmet Walsh als Fritz |
 | Jackie Coogan als Magic Shop Owner |
 | Hal Williams als Cop at Mayor's Office |
 | Helen Page Camp als Neighbor |
 | David Clennon als Newspaper Editor |
 | Harry Caesar als Sax Player |
 | Huntz Hall als Turnkey |
 | Harry Anderson als Harry Masters |
| George Brengel als Water Commissioner |
 | Carlin Glynn als Treasurer's Secretary |
 | Isabel Cooley als Secretary at Newspaper Office |
 | Tom Signorelli als Mailbox Cop |
| George Cantero als Jail Trustee |
| Harry Cohn als Jailmate |
| James Howard als Cop at Bridal Shop |
| R. Wayne Kruse als Reporter |
 | Margaret Ladd als Reporter |
| Tom Mahoney als M.C. |
 | Garry Marshall als Drummer |
 | Doug McGrath als Photographer |
| Susi Sherman als Woman at Club |
 | Richard Bradford als Sam (uncredited) |
| Caleb Deschanel | Director |
| Bruce A. Gibeson | Set Decoration |
| Lola 'Skip' McNalley | Hairstylist |
| George R. Nelson | Set Decoration |
| Stephen H. Burum | Director of Photography |
| Buck Houghton | Producer |
| Angelo P. Graham | Art Direction |
| Lawrence J. Cavanaugh | Special Effects |
| James J. Murakami | Art Direction |
| Melissa Mathison | Screenplay |
| Georges Delerue | Original Music Composer |
| Francis Ford Coppola | Executive Producer |
| Fred Roos | Executive Producer |
| Jane Jenkins | Casting |
| Michael Germain | Makeup Artist |
| Gloria Gresham | Costume Design |
| Doug Claybourne | Producer |
| Dean Tavoularis | Production Design |
| David Wagoner | Novel |
| Barbara Johnson | Casting |
| Stephen Zito | Screenplay |
| Robert Blalack | Visual Effects |
| Barrie M. Osborne | Unit Production Manager |
| Michael Haley | First Assistant Director |
| Andy Anderson | Second Assistant Director |
| Mark Radcliffe | Additional Second Assistant Director |
| Joe R. Marquette Jr. | Camera Operator |
| Dustin Blauvelt | First Assistant Camera |
| Peter Sorel | Still Photographer |
| Don Smetzer | Still Photographer |
| James E. Webb | Sound |
| Chris McLaughlin | Sound |
| Betsy Norton | Script Supervisor |
| Aggie Guerard Rodgers | Costumer |
| Gildo A. Scarano | Costumer |
| Daniel Allan Carlin | Music Producer |
| Curt Sobel | Music Editor |
| Stephen Semel | Assistant Editor |
| Gregg Barbanell | Sound Editor |
| Ron Horwitz | Sound Editor |
| John Leveque | Sound Editor |
| Emmett Brown | Key Grip |
| Lou Tobin | Gaffer |
| John Zemansky | Property Master |
| Robert Scaife | Construction Coordinator |
| Dennis Hollis | Transportation Coordinator |
| Elise Rohden | Production Coordinator |
| Penny McCarthy | Production Coordinator |
| Anthony Cunningham | Location Manager |
| Sam Mercer | Location Manager |
| Jeff Jaffee | Location Manager |
| Kathleen Sacchi | Dialogue Coach |
| Jean Gonzalez | Studio Teacher |
| Wayne Fitzgerald | Title Designer |
| Sandra Lee Gimpel | Stunt Double |
| Arthur Schmidt | Editor |
