Michael has two children, sons: Bailey Austin Smith, born in 1997 and Hunter Hal Smith, born in 2002.
Micheal is married to Lisa Smith.
Michael is 6'4" (1.93 m).
Michael appeared in 13 episodes of Charmed as four different roles. In the season 3 finale "All Hell Breaks Loose", he played three different characters.
Whenever he has taken part in an episode of Charmed he has always had huge amounts of make up on him and always representing a demon. These included Belthazor, Shax, and a Grimlock.