Ellen Griswold: [Clark and Ellen have found Rusty in the hot tub] Oh my Lord… Rusty! Girl in Hot Tub: Oh, you must be lost. This is Mr. Pappagiorgio. Clark Griswold: His name is not Pappagiorgio! His name is Rusty Griswold and he’s a C+ student! Now out of the pool, let’s go young man! Now! [Clark yanks Rusty out of the hot tub]

- Stephen Kessler
- Chevy Chase (Clark Griswold)
- Beverly D’Angelo (Ellen Griswold)
- Randy Quaid (Cousin Eddie)
- Ethan Embry (Russell ’Rusty’ Griswold)
- Marisol Nichols (Audrey Griswold)
- Elisa Bell
- Jerry Weintraub