Father of Jon Hall
Former father-in-law of actress Raquel Torres.
Former father-in-law of singer/actress Frances Langford.
He is buried next to his son Jon Hall in Forest Lawn Cemetery in Hollywood Hills.
He is the earliest born actor to appear in a "Star Trek" film or television episode. He played Robert Johnson in "Star Trek: The Deadly Years (#2.12)" (1967).
Prior to starting his acting career, Felix had been an inventor who held over 100 copyrights and patents relating to a unique mapping system that he used when lecturing military officers, and an insurance salesman.