 | Tom Hanks als Ray Peterson |
 | Bruce Dern als Lt. Mark Rumsfield |
 | Carrie Fisher als Carol Peterson |
 | Rick Ducommun als Art Weingartner |
 | Wendy Schaal als Bonnie Rumsfield |
 | Corey Feldman als Ricky Butler |
 | Courtney Gains als Hans Klopek |
 | Henry Gibson als Dr. Werner Klopek |
 | Gale Gordon als Walter Seznick |
 | Dick Miller als Vic, Garbageman #1 |
 | Robert Picardo als Joe, Garbageman #2 |
 | Theodore Gottlieb als Uncle Reuben Klopek |
 | Franklyn Ajaye als Detective #1 |
 | Cory Danziger als Dave Peterson |
 | Rance Howard als Detective #2 |
 | Heather Haase als Ricky's Girlfriend |
 | Nicky Katt als Steve Kuntz |
 | Bill Stevenson als Ricky's Friend |
| Gary Hays als Ricky's Friend |
 | Kevin Gage als Cop |
| Dana Olsen als Cop |
| Brenda Benner als Walter's Daughter |
 | Patrika Darbo als Suzanne Weingartner |
 | Sonny Carl Davis als Voiceover Actor |
 | Moosie Drier als Voiceover Actor |
 | Leigh French als Voiceover Actor |
 | Archie Hahn als Voiceover Actor |
 | Billy Jayne als Voiceover Actor |
| Phyllis Katz als Voiceover Actor |
 | Jeffrey Kramer als Voiceover Actor |
 | Lynne Marie Stewart als Voiceover Actor |
 | Arnold F. Turner als Voiceover Actor |
 | Gigi Vorgan als Voiceover Actor |
 | Carey Scott als Ricky’s friend (uncredited) |
| Tony Westbrook als Kid on Bike (Uncredited) |
 | Kevin McCarthy als Ray’s Boss (uncredited) |
| Joe Dante | Director |
| Michael Finnell | Producer |
| Larry Brezner | Producer |
| Robert M. Stevens | Director of Photography |
| Ron Howard | Executive Producer |
| Mike Fenton | Casting |
| Dana Olsen | Writer |
| Judy Taylor | Casting |
| Rosanna Norton | Costume Design |
| Charles L. Hughes | Art Direction |
| Jerry Goldsmith | Original Music Composer |
| James H. Spencer | Production Design |
| Dana Olsen | Co-Producer |
| John H. Anderson | Set Decoration |
| Pat Kehoe | Associate Producer |
| Jeff Smolek | Stunt Coordinator |
| Roydon Clark | Stunts |
| John-Clay Scott | Stunts |
| Jeff Ramsey | Stunts |
| Brian J. Williams | Stunt Double |
| Rick Sawaya | Stunts |
| Wally Rose | Stunts |
| Sandra Lee Gimpel | Stunts |
| Ray Saniger | Stunts |
| Frank Orsatti | Stunts |
| John Hateley | Stunts |
| Jeff Smolek | Stunts |
| Gary Epper | Stunts |
| Danny Costa | Stunts |
| George P. Wilbur | Stunts |
| Gary Morgan | Stunts |
| Eddie Hice | Stunts |
| Marshall Harvey | Editor |
| Pat Kehoe | Unit Production Manager |
| Carla McCloskey | First Assistant Director |
| David D'Ovidio | Second Assistant Director |
| Mark A. Mangini | Sound Effects |
| Roz Harris | Script Supervisor |
| Uri Katoni | Assistant Editor |
| George Simpson | Supervising Sound Editor |
| Michael J. Benavente | Sound Editor |
| Warren Hamilton Jr. | Sound Editor |
| Stephen Purvis | ADR Editor |
| Dan O'Connell | Foley Artist |
| Kevin Bartnof | Foley Artist |
| Ron Bartlett | Foley Editor |
| Aaron Glascock | Foley Editor |
| Kenneth Hall | Music Editor |
| Ken King | Production Sound Mixer |
| Randall L. Johnson | Boom Operator |
| Michael Minkler | Sound Re-Recording Mixer |
| Gary C. Bourgeois | Sound Re-Recording Mixer |
| John Hora | Additional Photography |
| Leslie J. Kovacs | Chief Lighting Technician |
| Benny McNulty | Assistant Chief Lighting Technician |
| Ken W. Ballantine | Lighting Technician |
| Brent Poe | Lighting Technician |
| E. Christopher Reed | Lighting Technician |
| Charles Saldaña | Key Grip |
| Hal Nelson | Best Boy Grip |
| Kirk Bales | Dolly Grip |
| Danny Falkengren | Grip |
| T. Daniel Scaringi | Grip |
| Paul E. Sutton | Grip |
| Ken Pepiot | Special Effects Supervisor |
| Michael Arbogast | Special Effects |
| Jeff Pepiot | Special Effects |
| Thomas R. Ward | Special Effects |
| Michael Muscarella | Construction Coordinator |
| Ciro Vuoso | Construction Foreman |
| Judy Cammer | Set Designer |
| Erin M. Cummins | Set Designer |
| James E. Tocci | Set Designer |
| Gregg H. Bilson | Property Master |
| Nigel A. Boucher | Leadman |
| Dave Newhouse | Greensman |
| Eric H. Sandberg | Costume Supervisor |
| Cheryl Beasley Blackwell | Costume Supervisor |
| Michael Germain | Makeup Artist |
| Daniel C. Striepeke | Makeup Artist |
| Christine Lee | Hairstylist |
| Randy White | Transportation Coordinator |
| Karen Shaw | Production Coordinator |
| Julianna Arenson | Production Accountant |
| Reid Rosefelt | Unit Publicist |
| Ralph Nelson Jr. | Still Photographer |
| Adria Later | Studio Teacher |
| Michael Owens | Visual Effects Supervisor |
| Bill George | Visual Effects Art Director |
| Michael D. O'Shea | Camera Operator |
