Daughter of Don Q
When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate to the heirs of Don Quantero, he employs Mel Donovan and his killer henchmen to murder them all. That will leave Manning as the sole heir to millions. However, Delores Quantero tumbles to this plot and enlists the aide of two-fisted reporter, Cliff Roberts to save all her relatives
Storyline
When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate to the heirs of Don Quantero, he employs Mel Donovan and his killer henchmen to murder them all. That will leave Manning as the sole heir to millions. However, Delores Quantero tumbles to this plot and enlists the aide of two-fisted reporter, Cliff Roberts to save all her relatives
Lorna Gray
Dolores Quantero
Kirk Alyn
Cliff Roberts
LeRoy Mason
Carlos Manning
Roy Barcroft
Mel Donovan
Claire Meade
Maria Martinez
Kernan Cripps
Insp. Grogan
Jimmy Ames
Romero (Nightclub Owner) [Chs. 3, 9]
Eddie Parker
George Tomkins
Tom Steele
Kidnapper Norton / Streetsweeper Blake / MineThug Dow / BombThug Lyons [Chs. 2, 5, 7, 10]
Dale Van Sickel
Thug Murphy / Police Officer Angus [Chs. 7, 8] / Pete (Truck Theft Thug / Bar Thug [Chs. 1, 9, 11]
Fred Graham
Rollins - Killer [Ch. 6]
Tom Quinn
R. J. Riggs (Bomb Maker) [Ch. 10]
John Daheim
Morris Kelso (Artist-Thug) [Ch. 11]
Ted Mapes
Ned Gray (Thug) [Ch. 4]
I. Stanford Jolley
Lippy Monroe (Thug) [Ch. 5]
Buddy Roosevelt
Woods Thug Moody / MineThug Eddie / Truck Thug Zarco [Chs. 4, 7, 12]
George Chesebro
Art Warehouse Thug (uncredited)