Kenan Thompson as Wyatt

Zachary Levi as Ben

Fran Kranz as Joel

Jenny McCarthy-Wahlberg as Ms. Isaac

Darrell Hammond as Dr. Dwayne

Mindy Sterling as Mrs. Applebaum

Blake Clark as Mr. Applebaum

Joel David Moore as Glenn

Andy Milonakis as Drake Hanswald

Chris Pratt as Bobby

Ann Poll as Darla

Kyle Gass as Walrus Boy

Sarah Drew as Karen

Sarah Wright as Lavender

Miriam Flynn as Ben's Mom

John Farley as Cornelius

Melinda Sward as Deborah

Bill Romanowski as Cowboy

Tad D'Agostino as Young Ben

Paul Gunn as Trevor

JJ Neward as Meghan O'Shaemus

Maclain Nelson as Barri

Frank Gerrish as Butch

Tisha Vaculin as Wet Girl #1

Sierra Dawn Thomas as Wet Girl #2

Lacy Rachelle as Wet Girl #3