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