Dempsey, 59, shared a rare photo of his twin sons Darby and Sullivan, who recently celebrated their 18th birthdays and graduated from high school.

Patrick Dempsey shared a photo on Instagram of the proud parents posing with their sons, who ditched the caps but were still donning their navy blue graduation gowns.

Patrick Dempsey posts rare photo of twin sons at graduation: ‘So proud of you boys' Dempsey attended the ceremony with his wife, Jillian Dempsey, and their daughter Talula.

Patrick Dempsey shares a rare photo of his twin sons' high school graduation, revealing their striking resemblance to their parents.

Dempsey, 59, says it's "good to be back" as he takes a seat in front of the camera as the trailer starts. A broadcaster voice comes in next, announcing, "After nine years away, Patrick Dempsey is ...