Michael Crawford

Cornelius (voice)

Ben Vereen

Phineas (voice)

Ellen Blain

Abigail (voice)

Benji Gregory

Edgar (voice)

Paige Gosney

Russell (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)