This Is Us' Justin Hartley Writes Message About Alan Thicke After Death

Alan Thicke had a cameo role in the first episode of NBC’s This Is Us, and his co-star in the ep, Justin Hartley, is reacting to his tragic death.

“When you meet one of your idols and they are even nicer and cooler than you hoped they would be. That was @Alan_Thicke. Rest in peace,” Justin wrote on Twitter, along with a selfie of the two of them together.

Alan passed away on Tuesday (December 13) while playing hockey with his 19-year-old son Carter. He died from an apparent heart attack.

Click inside to read the statement released by This Is Us creator Dan Fogelman…

“I was so saddened to hear about the passing of Alan Thicke. It feels like just yesterday he joined us on the pilot of This Is Us,” creator and executive producer Dan Fogelman told ET. “He was an absolute joy to work with and hang out with, both on and off camera. I know I speak for the entire This Is Us family as we send deepest condolences to his family, friends, and loved ones.”