Ralph Macchio
17 Year Old Tim (voice)
Acting
Eric Idle
Evil Martin (voice)
Acting
Hynden Walch
Jenny Mcbride (voice)
Acting
Harvey Korman
Floyd (voice)
Acting
Andrea Martin
Muriel (voice)
Acting
William H. Macy
Justin (voice)
Acting
Dom DeLuise
Jeremy (voice)
Acting
Peter MacNicol
Narrator (voice)
Acting
Andrew Ducote
10 Year Old Timmy (voice)
Acting
Arthur Malet
Mr. Ages (voice)
Acting
Doris Roberts
Auntie Shrew (voice)
Acting
Phillip Van Dyke
Young Martin (voice)
Acting
Darleen Carr
Helen (voice)
Acting
Jamie Cronin
Teresa (voice)
Acting
Jameson Parker
Troy (voice)
Acting
Phillip Glasser
Reformed 19 Year old Martin (voice)
Acting
Whitney Claire Kaufman
Cynthia (voice)
Acting
Steve Mackall
Professor Valentine (voice)
Acting
Kevin Michael Richardson
Brutus (voice)
Acting
Meshach Taylor
Cecil (voice)
Acting
Debi Mae West
Mrs. Jonathan Brisby (voice)
Acting
Al Jarreau
The Balladeer (voice)
Acting
Bobbi Page
The 2nd Balladeer (voice)
Acting
Beth Andersen
Chorus (voice) (uncredited)
Acting