John O'Callaghan

John O'Callaghan was an actor who had a successful Hollywood career. O'Callaghan worked on a variety of projects during his early entertainment career, including "Hidden Agenda" with Frances McDormand (1990), "Jekyll & Hyde" (ABC, 1989-1990) and "Night Breed" with Craig Sheffer (1990). O'Callaghan focused on television in more recent years, appearing on "The Agency" (CBS, 2001-03). He also starred in the TV movies "Deep in My Heart" (1998-99), "Mary Higgins Clark's Haven't We Met Before" (ION Television Network, 2001-02) and "We Were the Mulvaneys" (Lifetime, 2001-02). He also worked in television during these years, including a part on "The Agency" (CBS, 2001-03). He also had roles in film during these years, including roles in the Margot Kidder dramedy "Never Met Picasso" (1997). O'Callaghan most recently acted on "Stargate: Atlantis" (Syfy, 2003-08).