Michael Crawford as Cornelius (voice)

Ben Vereen as Phineas (voice)

Ellen Blain as Abigail (voice)

Benji Gregory as Edgar (voice)

Paige Gosney as Russell (voice)

Elisabeth Moss as Michelle (voice)

Paul Eiding as Abigail's Father (voice) (uncredited)

Janet Waldo as Edgar's Mom (voice) (uncredited)

Will Estes as Willy (voice)

Charlie Adler as Waggs (voice)

Rickey D'Shon Collins as Bosworth (voice)

Angel Harper as Bosworth's Mom (voice) (uncredited)

Don Reed as Marshbird (voice) (uncredited)

Robert David Hall as Truck Driver (voice) (uncredited)

Susan Silo as Russell's Mom (voice) (uncredited)