The Fighting Marines

U.S. Marines, attempting to build a landing field on Halfway Island in the Pacific, unwittingly endanger the secret hideout of a mysterious figure known as The Tiger Shark. The Tiger Shark therefore begins a program of sabotage and murder against the Marines.

Cast:Grant Withers , Adrian Morris , Ann Rutherford , Robert Warwick , George J. Lewis , Pat O'Malley , Victor Potel , Jason Robards Sr. , Warner Richmond , Robert Frazer , J. Frank Glendon , Donald Reed , Max Wagner , Richard Alexander , Tom London , Jim Corey , Ted Adams , Franklin Adreon