Tom Hanks as Professor G.H. Dorr

Irma P. Hall as Marva Munson

Marlon Wayans as Gawain MacSam

J.K. Simmons as Garth Pancake

Tzi Ma as The General

Ryan Hurst as Lump Hudson

Diane Delano as Mountain Girl

George Wallace as Sherriff Wyner

John McConnell as Deputy Sheriff

Jason Weaver as Weemack Funthes

Stephen Root as Fernand Gudge

Baadja-Lyne Odums as Rosalie Funthes

Walter K. Jordan as Elron

George Anthony Bell as Preacher

Greg Grunberg as TV Commercial Director

Hallie Singleton as Craft Service

Robert Baker as Quarterback

Blake Clark as Football Coach

Amad Jackson as Doughnut Gangster

Aldis Hodge as Doughnut Gangster

Freda Foh Shen as Doughnut Woman

Paula Martin as Gawain's Mama

Jeremy Suarez as Li'l Gawain

Te Te Benn as Gawain's Sister

Khalil East as Gawain's Brother

Jennifer Echols as Waffle Hut Waitress

Nita Norris as Tea Lady

Rappin' Granny as Tea Lady

Maryn Tasco as Tea Lady

Muriel Whitaker as Tea Lady

Jessie Bailey as Tea Lady

Louisa Abernathy as Church Voice (voice)

Mildred Dumas as Church Voice (voice)

Al Fann as Church Voice (voice)

Mi Mi Green-Fann as Church Voice (voice)

Maurice Watson as Othar

Bruce Campbell as Humane Society Worker (uncredited)

Michael Dotson as Angry Football Fan (uncredited)