The title character is a US army Captain of Native American descent who is asked to investigate the murder of an Indian agent. His only clue is "April morning", the last words spoken by the victim. Can he unravel the mystery before the clock runs out?
Lee Van Cleef
as Capt. Apache
Carroll Baker
as Maude
Stuart Whitman
as Griffin
Percy Herbert
as Moon
Elisa Montés
as Rosita
Tony Vogel
as Snake
Charles Stalmaker
as O'Rourke
Charly Bravo
as Sanchez
Faith Clift
as Abigail
Dee Pollock
as Ben
Dan van Husen
as Al
Hugh McDermott
as Gen. Ryland
