- Michael loves Hockey, and plays it as often as he can. And this interest has also influenced some of the characters that he has played. Including Michael Vaugn, in "Alias" - where Vaughn sometimes played some hockey with other characters. And his character, Sam Coulson in "Never Been Kissed", where his character played hockey when he was a kid, and showed of his talents in the classroom.
- Michael wanted to be a professional pool player before he enrolled acting school. He played pool for almost twelve hours a day for five years!
- Michael speaks French and English fluently.
- Michael turned down a role in Scream 3 (2000) because he wanbted to take his career in a different direction.
- Michael was engaged for eleven years, with Shannon Gleason (1988-1998).
- Michael has a very complex ethnic background. With his bulgarian-born father, Eddie Vartan, who is half amenian and half hungarian, and his mother, Doris Vartan, was born in Poland, but later became an american citizen.
- Michaels favourite hockeyteams are the New York Mets and the Los Angeles Kings.
- Michael got to do a television ad for the 2004 NHL Stanley Cup playoffs. And he said he never been so nervous before, and being near the Stanley Cup was more nervwrecking than seeing any other celebrity.
- Michael dated his ALIAS co-star, Jennifer Garner (2003-2004)
- Michael is a huge fan of Star Wars (1977). And he stated in an interview that as a child he once watched the movie everyday for the entire summer, and ended up memorizing the lines from the entire movie.