In Old Colorado

William Boyd

as Hopalong Cassidy

Andy Clyde

as California Carlson

Russell Hayden

as Lucky Jenkins

Margaret Hayes

as Myra Woods

Sarah Padden

as Ma Harriet Woods

Stanley Andrews

as George Davidson

Morris Ankrum

as Weiler, Davidson's Foreman

Cliff Nazarro

as Nosey Haskins

James Seay

as Woods Cowboy Hank

Weldon Heyburn

as Lead Henchman

Eddy Waller

as Woods Cowboy Jim Stark

Morgan Wallace

as Sheriff Collins

Philip Van Zandt

as Shell Game Operator

Bill Nestell

as Blacksmith

Henry Wills

as Jim

Ted Wells

as Bill, Woods hand who quits

Dick Dickinson

as Telegraph Operator

Curley Dresden

as Black-Haired Henchman at Railroad Station

Art Felix

as Henchman

John Beach

as Ranch Hand

Wen Wright

as Ranch Hand