This is John Lithgow, known for his roles on screen and stage, and winner of basically everything including five Emmys, two Tonys, two Golden Globes and two SAG awards.
Lately he's been growing a beautiful snow white beard for his role in King Lear.
This is Scott Wilson, a popular actor in the 1960s and more importantly, known for playing one of the most beloved characters of all time, Hershel on The Walking Dead.
But here's the thing... they might be the SAME PERSON.