Lambert owns the trucking line that ships cattle to market. When he raises his rates Roy decides to ship the cattle on the River Boat. When Lambert and his men are unable to stop the boat, they rustle the cattle.
Roy Rogers
as Roy Rogers
Smiley Burnette
as Frog
George 'Gabby' Hayes
as Gabby
Ruth Terry
as Mary Lou Popen
Walter Catlett
as Colonel Silas Popen
Paul Harvey
as James Barrabee
Edmund MacDonald
as Ross Lambert
Leigh Whipper
as Rango
William Haade
as Henchman Cully Bronson
Bob Nolan
as Bob Nolan
Hank Bell
as Captain Prentiss
William Benedict
as Telegraph Messenger
