Mark Arnold (born May 23, 1957; Broomall, Pennsylvania) is an American actor most notable for his role as the second Joe Perkins on NBC's soap opera Santa Barbara, where he portrayed him from 1984 to 1985. Prior to joining the show, Arnold had starring roles on three other soaps, Guiding Light, The Edge of Night, and Rituals. He also appeared as Rob Coronol on One Life to Live from 1987 to 1989. In 1985 Arnold also played Michael J. Fox's nemesis, Mick McAllister, in the movie Teen Wolf. He also played a major part in the Full Moon "classics" Trancers 4 and Trancers 5. In 2009 he played the title character's father in the movie April Showers.