Hoppy, California and Johnny come to the ranch of a friend and his daughter, disguised as dude detectives from the east, to investigate the disappearances, without a trace, of several herds of cattle.
William Boyd
Hopalong Cassidy
Andy Clyde
California Carlson
Brad King
Johnny Nelson
Wanda McKay
Lucy Brent
Jack Rockwell
Jim Brent
Norman Willis
Kervy