Francis Xavier McCarthy (mostly credited as Frank McCarthy, born February 15, 1942)^[1] is an American actor. He appeared in films including Altered States (1980), The Man with Two Brains (1983), Summer School (1987), Action Jackson (1988), Greedy (1994), The Relic (1997), Deep Impact (1998), Interstellar (2014) and On the Basis of Sex (2018).^[1][2]

On television, McCarthy had more than 100 credits, notable appearing in miniseries and made-for-television movies Blind Ambition, The French Atlantic Affair, Hellinger's Law, Blood Feud, If Tomorrow Comes and Rudy: The Rudy Giuliani Story. He had recurring roles on St. Elsewhere, 21 Jump Street, Melrose Place, The Practice, Port Charles, NYPD Blue and Motive and Second Chance.

McCarthy guest-starred on The Rockford Files, The Greatest American Hero, The Love Boat, Cheers, Cagney & Lacey, Moonlighting, Hill Street Blues, Dallas, Frasier, 3rd Rock from the Sun, Supernatural, Bates Motel, 9-1-1 and NCIS.