It was later released in the US by American International Pictures as Lost Battalion, on a double feature with Guns of the Black Witch in 1962.

Leopoldo Salcedo played the handsome Filipino guerrilla leader who is in love with a stranded American girl Kathy (Diane Jergens).

The Philippines were overrun by the Japanese during WW2, and had to resort to guerilla fighting until General Douglas MacArthur made his famous return.

This movie also features the main character, Ramon, with Mr. Hughes and his daughter Katherine, both Americans, hiding in a cave and discovered by a primitive band of locals.

The Aeta are smaller and darker than most Filipinos, and possess dark curly hair that made the Spanish, when they invaded in the 1500s, label them as "negritos".