The Water Engine
Charles Lang
Rita Lang
Tour Guide
Mason Gross
Lawrence Oberman
Mrs. Varek
Mr. Wallace
Dave Murray
White Haired Man
Brown Haired Man
Singer in Dance Hall
Kegan
Soapbox Speaker One
Soapbox Speaker Two (as Natalia Nogulich)
Ratty Inventor
Gross's Secretary
Connie
Bernie
Grey
Dance Hall Girl
Factory Worker
The Customer
Member of Singing Quartet (uncredited)
Chain Letter Voice (voice) (uncredited)
