| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Edward Bell | Crew | Editing | Editor |
 Alan Zweibel | Crew | Production | Producer, Screenplay |
 Christopher Burian-Mohr | Crew | Art | Art Direction |
Elizabeth Flaherty | Crew | Art | Art Department Coordinator |
 Eric Clapton | Crew | Sound | Original Music Composer |
Frank Capra III | Crew | Production | Executive Producer, First Assistant Director |
Greg P. Russell | Crew | Sound | Sound Re-Recording Mixer |
Jeffrey Stott | Crew | Production | Executive Producer |
 Jess Gonchor | Crew | Art | Art Direction |
 Jessie Nelson | Crew | Writing | Screenplay, Producer |
Kathy Lucas | Crew | Art | Set Decoration |
 Kerry Lyn McKissick | Crew | Directing | Script Supervisor |
Kevin O’Connell | Crew | Sound | Sound Re-Recording Mixer |
Lilly Kilvert | Crew | Art | Production Design |
 Marc Shaiman | Crew | Sound | Original Music Composer |
 Michael Chapman | Crew | Camera | Director of Photography |
Ralph Nelson Jr. | Crew | Camera | Still Photographer |
 Rob Reiner | Crew | Production | Producer, Director |
Robert Eber | Crew | Sound | Sound Mixer |
Robert Leighton | Crew | Editing | Editor |
Scott Stambler | Crew | Sound | Music Editor |
Shay Cunliffe | Crew | Costume & Make-Up | Costume Design |
Todd Y. Murata | Crew | Directing | Second Assistant Director |
Yann Delpuech | Crew | Sound | Sound Effects Editor |
Sarah Jackson Burt | Crew | Art | Set Decoration |
Tammy Glover | Crew | Production | Associate Producer |
 Albert Hague | Cast | Actor | Dr. Siegler |
 Betty White | Cast | Actress | Lillian Jordan |
 Bill Kirchenbauer | Cast | Actor | Eddie Kirby (wrongly listed as "Andy" in credits) |
 Bruce Willis | Cast | Actor | Ben Jordan |
Casey Boersma | Cast | Actor | Josh Jordan (at Two and a Half) |
 Colleen Rennison | Cast | Actress | Erin Jordan (at Ten) |
Dylan Boersma | Cast | Actor | Josh Jordan (at Three) |
 Jake Sandvig | Cast | Actor | Josh Jordan (at Twelve) |
 Jayne Meadows | Cast | Actress | Dot |
Jessie Nelson | Cast | Actress | Realtor |
 Julie Hagerty | Cast | Actress | Liza |
 Ken Lerner | Cast | Actor | Dr. Rifkin |
Michael Chapman | Cast | Actor | Waiter |
 Michelle Pfeiffer | Cast | Actress | Katie Jordan |
Norman Fessler | Cast | Actor | Maitre'd (uncredited) |
 Paul Reiser | Cast | Actor | Dave |
 Red Buttons | Cast | Actor | Arnie Jordan |
 Rita Wilson | Cast | Actress | Rachel Kogen |
Rob Reiner | Cast | Actor | Stan Kogen |
 Tom Poston | Cast | Actor | Harry |
| Person | Type | Job | Role(s) |
