James Allen Brewer as Jimmy Thudpucker

Barbara Harris as Joanie Caucus

Charles Levin as Mark Slackmeyer

Rebecca Nelson as Barbara Ann 'Boopsie' Boopstein

William Sloane Coffin as The Reverend Scott Sloan

Jack Gilford as Referee

Michelle Browne as Jeannie

Richard Cox as Zonker Harris (voice)

David Grant as Mike Doonesbury (voice)

Richard Bruno as B.D. (voice)

Mark Baker as Kirby (voice)

Rick Elice as Frank (voice) (as Eric Elice)

Will Jordan as Sportscaster (voice)

Linda Baer as Ellie (voice)

Eric Jaffe as Howie (voice)

Thomas Baxton as Rufus (voice)

Lenny Jackson as Magus (voice)

Patrice Leftwich as Virgin Mary (voice)

Ben Haley Jr. as Calvin (voice)