Characters played by Rin Tin Tin
Lobo - Leader of the Wolf Pack
Characters played by Nanette
Lobo's Mate
Characters played by Charles Farrell
Dave Weston
Characters played by June Marlowe
May Barstowe
Characters played by Heinie Conklin
Alkali Bill
Characters played by Will Walling
Sam Barstowe
Characters played by Pat Hartigan
Wm. 'Borax' Horton
