Ward Bond Major Seth Adams Actor Robert Horton Flint McCullough Actor Frank McGrath Charlie Wooster Actor Terry Wilson Bill Hawks Actor John McIntire Christopher Hale Actor Lee Marvin Jose Morales Guest Star Lon Chaney Jr. Louis Roque Guest Star Steve Darrell Dr. Stern Guest Star Charles Herbert Joseph Oliver Guest Star Clark Howat Guest Star Gregg Palmer Guest Star Aline Towne Guest Star Gene L. Coon Writer Virgil Vogel Director