Justin Chambers is merely "Dad" to his five children, Isabella, 12, fraternal twins Maya and Kaila, 10, Eva, 8, and Jackson, 6. He and wife Keisha have their hands full!

Say cheese, Justin Chambers you're having your photo taken!

A Justin Chambers photo showing the Grey's Anatomy star in all hit hotness. The hunk checked into UCLA Medical Center for help with a sleeping disorder. Here's hoping he feels better!

Justin Chambers and Chandra Wilson are two of our favorite Grey's Anatomy stars. What they do with their characters will never cease to amaze fans of Grey's Anatomy.

Justin Chambers reads what appears to be the Bible in Los Angeles in February 2008. The star was recently diagnosed with a sleeping disorder and exhaustion. Hope he's on the mend!

Justin Chambers is one of the coolest members of the Grey's Anatomy cast, and one of the ones we know the least about. The married father of five keeps a very low profile.

Justin Chambers shirtless. There's not a lot more to say. Enjoy this one, ladies. Enjoy.

A nice pic of Justin Chambers and a friend out and about. The actor recently sought treatment for a sleeping problem.

A nice photo of Justin Chambers and Keisha Chambers, who have been married nearly a decade and a half. Amazing in this day and age!

Justin Chambers, who was so terrific as Dr. Alex Karev in the season finale of Grey's Anatomy, is seen here picking his kids up from school. He's just a regular dad!

Yup, you guessed it. It's a photo of Justin Chambers shirtless. What more do you need to know about this hotness?

Grey's Anatomy stars Justin Chambers and Katherine Heigl celebrate the latter's 30th birthday in November 2008. Cute photo!