Mitch Robbins' 40th birthday begins quite well until he returns home and finds his brother Glen, the black sheep of the family, in his sofa. Nevertheless he is about to have a wonderful birthday-night with his wife when he discovers a treasure map of Curly by chance. Together with Phil and unfortunately Glen he tries to find the hidden gold of Curly's father in the desert of Arizona.
| Actor | Role |
|---|---|
 Billy CrystalMitch Robbins | Mitch Robbins |
 Daniel SternPhil Berquist | Phil Berquist |
 Jon LovitzGlen Robbins | Glen Robbins |
 Jack PalanceDuke Page | Duke Page |
 Patricia WettigBarbara Robbins | Barbara Robbins |
 Pruitt Taylor VinceBud | Bud |
 Bill McKinneyMatt | Matt |
 Lindsay CrystalHolly Robbins | Holly Robbins |
 Beth GrantLois | Lois |
 Noble WillinghamClay Stone | Clay Stone |
 David PaymerIra Shalowitz | Ira Shalowitz |
 Josh MostelBarry Shalowitz | Barry Shalowitz |
 Jayne MeadowsMitch's Mother | Mitch's Mother |
| AAlan CharofMitch's Father | Mitch's Father |
| KKenneth S. AllenAnnoyed Man | Annoyed Man |
 Jennifer Crystal FoleyJogger | Jogger |
 Helen SiffShushing Lady | Shushing Lady |
| IIrmise BrownJogger | Jogger |
| BBill McIntoshClay's Son | Clay's Son |
 Mario RobertsClay's Son | Clay's Son |
 Bob BalabanDr. Jeffrey Sanborn (uncredited) | Dr. Jeffrey Sanborn (uncredited) |
 William ShatnerAdam Harland (uncredited) | Adam Harland (uncredited) |