[14] He moved back to France to be with his father until his high school years, and grew up a "farm kid" in a "simple environment"[11] in Fleury, Manche, a small town in Normandy.

[14][15] At age eighteen, Vartan moved back with his mother in Los Angeles, telling her that he wanted to be an artist, because he did not wish to fulfill the mandatory military service required in France.

Vartan has also had guest appearances on Friends (as Dr. Tim Burke, Tom Selleck's character's son) and Ally McBeal (as Jonathan Basset).

In September 2007, Vartan played James Walker, a main role in the ABC drama Big Shots.

Vartan co-hosts a weekly live sports program called Advanced Shouting with friends Dan Petriw and Noel Fogelman.

[21][22][23][24] In March 2010, Vartan announced his engagement to Lauren Skaar, whom he met in a Whole Foods Market parking lot in Los Angeles in 2009.

[27] Vartan has a dog named Millie, with whom he appeared in a PETA video about good canine care and to whom he wrote a "love letter" for an anthology.

[28] He is a keen supporter of Australian rules football, having watched the game on numerous visits to Australia, in particular Melbourne.

[29] After the completion of the film Rogue, Vartan got a Southern Cross tattoo on his right arm to show his love for Australia.