Jake Johnson

Dustin 'The Hammer' Boyd

Mary Steenburgen

Candace

Chloe Fineman

Marisa

Aaron Chen

PJ

Patton Oswalt

Skip 'Piggy' Pigliani

Andy Roddick

Andy Roddick

John McEnroe

John McEnroe

Ben Stiller

Dr. Stone

Ed Harris

Chuck Boyd

Cleo King

Gail

Lynne Marie Stewart

Judy

Don Lake

Gary

Wayne Wilderson

Gene

Lennon Parham

Kris

Chris Parnell

Neil

Martin Kove

Mitch

Christine Taylor

Bea

Fortune Feimster

Esther

Steve Berg

George

River Beier

Young Dustin (3 Years Old)

Robert Rebetsky

Young Dustin (6 Years Old)

Boone Nelson

Young Dustin (10 Years Old)

Nathan Blair

Young Dustin (17 Years Old)

Indiana Elle

Sadie

Cayden Romero

Blake

Cooper Woestendick

Young Andy Roddick (17 Years Old)

Ferren Rajput

Pharmacist

Trisha Simmons

Eileen

Eric Edelstein

Cowboy