Strongheart
Strongheart the Dog
Bob Custer
Boston Blackie
Corliss Palmer
Sylvia Markham
Rosemary Cooper
Necklace Nellie
Coit Albertson
Denver Dan
William Worthington
John Markham
Florence Wix
Mrs. John Markham
J.P. Lockney
Rob Nichols
Violet Palmer
Annette
Harry O. Hoyt
Director
Leah Baird
Adaptation, Screenplay
Jack Boyle
Story
