Grant Withers
Cpl. Larry Lawrernce
Adrian Morris
Sgt. Mack McGowan
Ann Rutherford
Frances Schiller
Robert Warwick
Col. W. R. Bennett
George J. Lewis
Sgt. William Schiller [Chs. 1-4]
Pat O'Malley
Capt. Grayson [Ch. 1]
Action
The Fighting Marines
Corporal Larry Grant and Sergeant "Mac" McGowan, of the United States Marine Corps, are rival for the love of Frances Schiller, but team up to hunt down "The Tiger Shark," a mad, scientific wizard who is holding Sergeant William Schiller, Frances' brother, a prisoner on a wild, jungle island in the Pacific.
