American actor and director who played the role of Officer Doug Penhall in the television series 21 Jump Street. He also directed episodes of the Stargate television series.
He made his film debut in the 1979 film Hot Stuff.
He guest starred on several television shows including The Facts of Life and and Friends.
He married twice and has a son named Jake.
He made a cameo in the 2012 film 21 Jump Street starring Johnny Depp.