- Host of Southern California's Y-107 (KVYY) morning show "The Untitled Hardwick-Cox Project" which was later named "The Number One Morning Show" starting sometime in 1998, until the show was cancelled near mid-1999.
- Had a cameo in Rob Zombie's "Never Gonna Stop" video
- Played fading rock legend Stacee Jaxx in the musical, "Rock of Ages," in Los Angeles, California (2006).
- Played as himself as a "host" on rap group Little Brother's fictional show "The Minstrel Show" with the album of the same title.
- (1995) Appeared as the secret boyfriend in the Barenaked Ladies music video "Shoebox"
- (February 1 to March 3, 1990) He played Mark in Mike Craver, Mark Hardwick, Debra Monk and Mary Murfitt 's play, "Oil City Symphony," at the Actors Theatre of Louisville (Mainstage) in Louisville, Kentucky with Christine Elliot (Mary); Michelle Horman (Debbie) and Mike Craver (Mike) in the cast. Larry Forde was director.