| Chevy Chase | Clark Griswold |
| Beverly D'Angelo | Ellen Griswold |
| Randy Quaid | Cousin Eddie |
| Ethan Embry | Russell 'Rusty' Griswold |
| Marisol Nichols | Audrey Griswold |
| Miriam Flynn | Cousin Catherine |
| Shae D'Lyn | Cousin Vicki |
| Wayne Newton | Himself |
| Siegfried Fischbacher | Himself |
| Roy Horn | Himself |
| Director | Stephen Kessler |
| Producer | Susan Ekins; Fred Fontana |
| Writer | Elisa Bell; Bob Ducsay |
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