Patrick Galen Dempsey (born January 13, 1966) is an American actor, known for his role as neurosurgeon Dr. Derek Shepherd ("McDreamy") on the medical drama Grey's Anatomy. Prior to Grey's Anatomy, he made several television appearances, earning him an Emmy Award nomination. He has also recently appeared in several films, including Sweet Home Alabama, The Emperor's Club, Freedom Writers, Enchanted, Made of Honor, Valentine's Day, and Transformers: Dark of the Moon.
Dempsey was born in Lewiston, Maine, and grew up in Buckfield, Maine, the youngest of three children born to Amanda and William Dempsey. He has Irish ancestry. He attended Buckfield High School and St. Dominic Regional High School. He was an adept juggler, tying for second in a national juggling competition. He was also an accomplished skier and while in high school won the Maine state slalom championship. Dempsey spent some of his school years in the town of Turner, Maine, where he attended Leavitt Area High School in the Maine School Administrative District 52 (MSAD #52) for his freshman through junior years.
As a child, Dempsey attended Camp Wekeela located in Hartford, Maine.