 | Walter Matthau als Max Goldman |
 | Jack Lemmon als John Gustafson |
 | Ann-Margret als Ariel Gustafson |
 | Sophia Loren als Maria Sophia Coletta Ragetti |
 | Daryl Hannah als Melanie Gustafson |
 | Burgess Meredith als Grandpa Gustafson |
 | Kevin Pollak als Jacob Goldman |
 | Michelle Johnston als Sears Salesperson / Chicken Polka Girl |
| Howard Deutch | Director |
| Mark Steven Johnson | Characters |
| Mark Steven Johnson | Writer |
| Gary Lewis | Supervising Dialogue Editor |
| Benjamin Beardwood | Dialogue Editor |
| Ralph Osborn | Dialogue Editor |
| Alan Silvestri | Original Music Composer |
| Sharon Howard-Field | Casting |
| Tak Fujimoto | Director of Photography |
| Gary Frutkoff | Production Design |
| Lisa Jensen | Costume Design |
| Peg Cummings | Set Decoration |
| Bill Rea | Art Direction |
| Billy Weber | Editor |
| Seth Flaum | Editor |
| Maryann Brandon | Editor |
| Richard C. Berman | Producer |
| John J. Smith | Unit Production Manager |
| Bruce Moriarty | First Assistant Director |
| Peter Bankins | Property Master |
| Ron Phillips | Still Photographer |
| Renée Tondelli | Supervising ADR Editor |
| Nicholas Korda | ADR Editor |
| Jeff Rosen | Foley Editor |
| Simon Coke | Foley Editor |
| Julie Feiner | Foley Editor |
| Trevor Jolly | Foley Editor |
| J. Paul Huntsman | Supervising Sound Editor |
| Edward Tise | Sound Mixer |
| John Haeny | Supervising Sound Effects Editor |
| Linda Keim | Sound Effects Editor |
| Joe Earle | Sound Effects Editor |
| Myron Nettinga | Sound Effects Editor |
| Andrew Somers | Sound Effects Editor |
| Greg P. Russell | Sound Re-Recording Mixer |
| Ken S. Polk | Sound Re-Recording Mixer |
| Robert J. Litt | Sound Re-Recording Mixer |
| Frank A. Montaño | Sound Re-Recording Mixer |
| George Tyson | Boom Operator |
| Jan Aaris | Special Effects Coordinator |
| Randy Woodside | Gaffer |
| Gregory Lundsgaard | Camera Operator |
| Joel King | Camera Operator |
| P. Scott Sakamoto | Camera Operator |
| Elena Spiotta | Associate Producer |
| George Folsey Jr. | Co-Producer |
| John J. Smith | Co-Producer |
| Lynn Blumenthal | Local Casting |
| John Isaacs | Hairstylist |
| John Davis | Producer |
| Brian Jennings | Visual Effects Supervisor |
| Freddie Hice | Stunt Coordinator |
| Steve M. Davison | Stunts |
| John C. Meier | Stunts |
| Kenny Endoso | Stunts |
| Tommy J. Huff | Stunts |
