Michael Crawford

Cornelius (voice)

Ben Vereen

Phineas (voice)

Ellen Blain

Abigail (voice)

Benji Gregory

Edgar (voice)

Elisabeth Moss

Michelle (voice)

Paul Eiding

Abigail's Father (voice) (uncredited)

Janet Waldo

Edgar's Mom (voice) (uncredited)

Will Estes

Willy (voice)

Charlie Adler

Waggs (voice)

Rickey D'Shon Collins

Bosworth (voice)

Angel Harper

Bosworth's Mom (voice) (uncredited)

Don Reed

Marshbird (voice) (uncredited)