All Cast

Thunder the Dog

Thunder the Dog

Thunder

George Hackathorne

George Hackathorne

Bob Henley

Marjorie Daw

Marjorie Daw

Mary Blake

Mary Carr

Mary Carr

Mrs. Henley

Will Walling

Will Walling

William Marshall

Brooks Benedict

Brooks Benedict

Jack Fenton

Flash the Dog

Flash the Dog

Flash, Son of Thunder