James Roday Rodriguez as Dick Murphy

Sam Huntington as Dinkadoo Murphy

Jay Paulson as Dave Murphy

Charlie Finn as Kevin Haub

Ryan McDow as Hunter Bullette

Rip Torn as Oldman

Keegan Olmstead as Young Dinkadoo

Lew Temple as Bill

C.K. McFarland as State Trooper

Rachel Klein as Blush

Hillary Higgins as Honey

Lisa Marie Newmyer as Satin

Matt Bardocz as Hefty Passenger

Brad Leland as Dot the Waitress

Louanne Stephens as Lady Customer

Elizabeth Chambers as Freshman Co-Ed

Kelly Bright as Senior Co-Ed

Ed Geldart as Farmer

J.D. Evermore as Angry Motorcycle Cop

Joey Basham as Little Dick

Chris Warner as Motorcycle Cop

Bonnie Gallup as Grandma

Max Nowak as Young Kevin

Mia Zottoli as Cheyenne

Kristen Growcock as Becky

Josh Painting as Gardner 'Fatty'

Ryan Thomas Brockington as Joey (uncredited)

Thomas Haden Church as Agent Madsen / Trooper (uncredited)

Susan E. Denison as Sorority Girl (uncredited)

Greg Dorchak as Jimmy (uncredited)

David Scott Heck as 60's Stoner (uncredited)

Kevin Pollak as Agent Brinkley (uncredited)

Brent Smiga as Pothead Driver (uncredited)

Tony Vespe as Taunting Boy (uncredited)

Tennille Williams as Sorority Girl (uncredited)