The actor, who recently appeared on NBC's This Is Us and the second season of Netflix's Fuller House, was beloved by the industry as indicated by celebrities' reactions on social media. His family, friends and celebrity friends took to social media to express their condolences and sadness over losing the TV icon.
Alan Thicke: His best TV work
See some of their posts below.
His ex-daughter-in-law, Paula Patton
So sad is the passing of Alan Thicke. Such a good husband, father, brother, and friend. He will be deeply missed. Rest in peace dear Alan.— bob saget (@bobsaget) December 14, 2016
RIP Alan Thicke who was a great talent and a genuine person. #everyonesdad— Dane Cook (@DaneCook) December 14, 2016
Alan Thicke was always the nicest and happiest person in the room. Gone way too soon. Rest In Peace.— Alyssa Milano (@Alyssa_Milano) December 14, 2016
I'm shocked to hear about Allan Thicke. He was a good man who gave me some big breaks in my early days. I'll miss you buddy.— Howie Mandel (@howiemandel) December 14, 2016
Saddened over the loss of my friend Alan. Condolences to his family.— William Shatner (@WilliamShatner) December 14, 2016
America loved Alan Thicke. I'm so sad he's gone. Sending so much love to his family.— Ellen DeGeneres (@TheEllenShow) December 14, 2016
I'm so sad to hear about the passing of Alan Thicke. RIP Alan. 😢— Lori Loughlin (@LoriLoughlin) December 14, 2016
I am so saddened to hear the horrible news. @Alan_Thicke was the nicest dude in the world. So much love to him and the family. Rip ❤️❤️❤️— brett dier (@Brettdier) December 14, 2016
Rest in peace Alan Thicke - You brought so much light, love and humor to the world! Deeply grateful for your friendship and wisdom.— Ed Helms (@edhelms) December 14, 2016