 | Jack Lemmon als John Gustafson |
 | Walter Matthau als Max Goldman |
 | Ann-Margret als Ariel Truax |
 | Burgess Meredith als Grandpa Gustafson |
 | Daryl Hannah als Melanie |
 | Kevin Pollak als Jacob Goldman |
 | Ossie Davis als Chuck |
 | Buck Henry als Snyder |
 | Christopher McDonald als Mike |
 | John Carroll Lynch als Moving Man |
 | Steve Cochran als Weatherman |
 | Joe Howard als Pharmacist |
| Isabell O'Connor als Nurse |
 | Charles Brin als Fisherman |
| Oliver Osterberg als Fisherman |
| Donald Petrie | Director |
| Alan Silvestri | Original Music Composer |
| Richard C. Berman | Producer |
| Bonnie Koehler | Editor |
| Johnny E. Jensen | Director of Photography |
| Darlene K. Chan | Associate Producer |
| Kathy Sarreal | Associate Producer |
| Dan Kolsrud | Executive Producer |
| Sharon Howard-Field | Casting |
| Mark Haack | Art Direction |
| Clay A. Griffith | Set Decoration |
| Lisa Jensen | Costume Design |
| Linda De Andrea | Hairstylist |
| Linda Melazzo | Makeup Artist |
| Linda Rizzuto | Hairstylist |
| Rick Sharp | Key Makeup Artist |
| Dan Kolsrud | Unit Production Manager |
| Molly Muir | Second Assistant Director |
| Randy Suhr | First Assistant Director |
| Douglas E. Wise | First Assistant Director |
| Aryn Chapman | Researcher |
| Douglas Dick | Construction Coordinator |
| Chris Gibbin | Leadman |
| Blaine Marcou | Construction Foreman |
| Jack E. Pelissier Jr. | Assistant Art Director |
| Jerry Swift | Assistant Property Master |
| Jim Zemansky | Property Master |
| Christopher Assells | Dialogue Editor |
| Kevin Bartnof | Foley |
| Rick Canelli | ADR & Dubbing |
| Tom E. Dahl | Sound Re-Recording Mixer |
| Victor Ray Ennis | Assistant Sound Editor |
| Russell C. Fager | Production Sound Mixer |
| Linda Folk | ADR Editor |
| Jessica Gallavan | ADR Supervisor |
| Eric Gotthelf | Foley Editor |
| Rick Hart | Sound Re-Recording Mixer |
| Wayne Heitman | Sound Re-Recording Mixer |
| Ellen Heuer | Foley |
| Chris Hogan | Dialogue Editor |
| Randy Kelley | Sound Effects Editor |
| Robert J. Litt | Sound Re-Recording Mixer |
| Cybele O'Brien | Assistant Sound Editor |
| Thomas J. O'Connell | ADR & Dubbing |
| Vic Radulich | Dialogue Editor |
| Patrick N. Sellers | Foley Editor |
| Mark Steinbeck | Boom Operator |
| Mark P. Stoeckinger | Supervising Sound Effects Editor |
| Mike Szakmeister | Dialogue Editor |
| Elliot Tyson | Sound Re-Recording Mixer |
| Kim Waugh | Additional Sound Re-Recording Mixer |
| David Behle | Sound Recordist |
| Greg C. Jensen | Special Effects Supervisor |
| Peter Albiez | Special Effects Coordinator |
| Keane Bonath | Special Effects |
| Shelly Hawkos | Special Effects |
| Ray Lykins | Stunts |
| Bill McIntosh | Stunts |
| Ernie F. Orsatti | Stunt Coordinator |
| Spiro Razatos | Stunts |
| Pat Blymyer | Chief Lighting Technician |
| Dick Colean | Camera Operator |
| Christopher M. Fisher | First Assistant Camera |
| Jimmy E. Jensen | First Assistant Camera |
| Hugh Langtry | Best Boy Electrician |
| Patrick Marshall | Chief Lighting Technician |
| Tim Marshall | Rigging Gaffer |
| Richard Moran | Key Grip |
| Ron Phillips | Still Photographer |
| Rosalie Seifert | Second Unit |
| Hala Bahmet | Key Costumer |
| Keith G. Lewis | Costume Supervisor |
| Trina Mrnak | Key Costumer |
| Elizabeth Shelton | Assistant Costume Designer |
| Donah Bassett | Negative Cutter |
| Adam C. Frank | First Assistant Editor |
| Dale E. Grahn | Color Timer |
| Steve Schoenberg | Associate Editor |
| Trudy Yee | Assistant Editor |
| Cat Thompson | Location Manager |
| Dave Halls | Location Manager |
| Kenneth Karman | Supervising Music Editor |
| William Ross | Orchestrator |
| Dennis S. Sands | Scoring Mixer |
| Andrew Silver | Music Editor |
| Tom Boyd | Musician |
| Wayne Fitzgerald | Title Designer |
| Susan Bierbaum | Script Supervisor |
| Kim Bodner | Production Accountant |
| Lisa D. Menke | Administration |
| Susan Montgomery | Production Accountant |
| Peter L. Mullin | Administration |
| Gregory J. Niska | Administration |
| Tom Sann | Administration |
| Michael Singer | Unit Publicist |
| David Chapman | Production Design |
| John Davis | Producer |
| Mark Steven Johnson | Writer |
