Overview

On a cattle drive Hoppy, camp cook Windy, companion Lucky, and young Artie Peters encounter an eccentric professor. The professor professes to be searching for the evolutionary missing link, but in reality he is a cattle rustler who uses his dynamite to scatter the cattle in order capture some of them. Hoppy and Bar 20 guys ultimately capture the professor.

Genres

Cast

William Boyd

Hopalong Cassidy

George 'Gabby' Hayes

Windy Halliday

Russell Hayden

Lucky Jenkins

Nora Lane

Nora Blake

Harry Worth

Horace Hepburn

Lois Wilde

Laura Peters

William Duncan

Buck Peters

Jack Rutherford

Blackie

Ernie Adams

Keno

Ben Corbett

Henchman

Frank Ellis

Dirk

Artie Ortego

Henchman