| Robert De Niro | Jack Byrnes |
| Ben Stiller | Gaylord 'Greg' Focker |
| Teri Polo | Pam Byrnes |
| Blythe Danner | Dina Byrnes |
| Nicole DeHuff | Deborah Byrnes |
| Jon Abrahams | Denny Byrnes |
| Owen Wilson | Kevin Rawley |
| James Rebhorn | Dr. Larry Banks |
| Thomas McCarthy | Dr. Bob Banks |
| Phyllis George | Linda Banks |
| Director | Jay Roach |
| Producer | Robert De Niro; Greg Glienna |
| Writer | Greg Glienna; Mary Ruth Clarke |
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