Mystery Man

HOPPY SOLVES A MYSTERY!

Hoppy's ranch is threatened by rustlers. Hoppy and the gang oblige as usual.

William Boyd

Hopalong Cassidy

Andy Clyde

California Carlson

Jimmy Rogers

Jimmy Rogers

Don Costello

Bud Trilling

Eleanor Stewart

Diane Newhall

Francis McDonald

Bert Rogan

Forrest Taylor

Sam Newhall

Jack Rockwell

Ted Blane

John Merton

Bill

Pierce Lyden

Red

Ozie Waters

Singing Ranch Hand

Bob Burns

Tom Hanlon