Frankie Thomas
Nello Daas

O. P. Heggie
Grandfather

Helen Parrish
Maria Cogez

DeWitt Jennings
Carl Cogez

Ann Shoemaker
Ilse Cogez

Christian Rub
Hans

Richard Quine
Pieter Vanderkloot

Frank Reicher
Herr Vanderkloot

Nella Walker
Frau Vanderkloot

Addison Richards
Herden

Sarah Padden
Frau Keller

Harry Beresford
Sacristan

Lightning the German Shepherd
Leopold, 'Leo' the dog

Reginald Barlow
Official with Court Order (uncredited)

Elsa Janssen
The Cogez' Maid (uncredited)

Marcia Mae Jones
Little Girl at Party (uncredited)

Henry Kolker
Monsieur LaTour, Art Critic (uncredited)

Clarence Wilson
Antoine - Official with Court Order (uncredited)