Sebastian Stan Sends Video to Doppelgänger ''Dad'' Mark Hamill

See what the actor had to say about his "father" on Good Morning America Thursday

Sebastian Stan talking about his father Mark Hamill 😋

Sebastian Stan jokes 'Mark Hamill is my father' while reacting to Luke Skywalker headline

Sebastian Stan Is Mark Hamill's Son on the Internet and It Is the Best Thing

OMG Mark Hamill Tweeted Out A Pic Of Sebastian Stan Looking Exactly Like Him When He Was Younger And The Internet Has Lost It

Sebastian Stan said Mark Hamill was his father

What is a doppelganger? - Quora

Sebastian Stan Is Still Joking About Looking Like Mark Hamill

Seb looks so much like him it's crazy Mark hamill, Sebastian stan, Bucky barnes winter soldier

Sebastian Stan Sends Video to Doppelgänger ''Dad'' Mark Hamill

they really do lookalike and mark is really nice wow