Mack Dryden was an actor who had a successful Hollywood career. He had an early role on the television special "All Night Radio" (HBO, 1982-83). Dryden started in the industry by acting in films like "Million Dollar Mystery" (1987). His work around this time also included a part on the TV movie "My Father, My Son" (CBS, 1987-88). During these years, he additionally appeared in film, receiving a role in the Nick Nolte crime drama "Simpatico" (1999). He also contributed to a variety of television specials, including "Paul Reiser: Out on a Whim" (HBO, 1987-88) and "Children's Miracle Network Telethon" (1990-91). Most recently, Dryden acted on "The Guardian" (CBS, 2001-04).