Biography: Michael Gray (born September 2, 1951) is an American actor, known for his portrayal of Billy Batson in the 1970s TV series Shazam!. From 1972 to 1973, he appeared as Ronnie Collins in the first season of the NBC sitcom The Brian Keith Show, starring Brian Keith and Shelley Fabares. He also appeared as Marcia's boyfriend Jeff in a 1973 episode of The Brady Bunch. In 2015 and 2019, Gray made a voice appearance as a fictionalized version of himself in four episodes of the animated series Archer.