Actor Anton Yelchin passed away on Sunday, June 19, aged 27. He was best known for his roles in Alpha Dog, Star Trek, and most recently, Green Room.

Yelchin was heading to rehearsals on Sunday morning when his car rolled backwards on a steep driveway, pinning him against a wall.

"When he didn't show up, his friends went to his house, where they found him deceased by his car," said a Los Angeles Police Department spokesperson Jenny Hauser. "It appeared he had momentarily exited his car, leaving it in the driveway."

A host of people from the entertainment world have posted tributes to the young actor including Anna Kendrick, Olivia Wilde, Elijah Wood, William Shatner, Matt Lucas, Stephen King and Aaron Paul.

Absolutely shocked and deeply saddened to hear of Anton Yelchin’s passing.

— Elijah Wood (@elijahwood) June 20, 2016

Anton Yelchin was a bright, brilliant talent, and a truly kind person. I was so taken by him, and won't ever forget his sweet smile. RIP

— olivia wilde (@oliviawilde) June 19, 2016

So very sad to hear the awful news about Anton Yelchin. Such a fine actor with his whole career ahead of him. He will be remembered always.

— Mark Hamill (@HamillHimself) June 19, 2016

Sad news for such a talented young man. Condolences to the family of Anton Yelchin.

— William Shatner (@WilliamShatner) June 20, 2016

Anton Yelchin. Gone way too soon. So sad.

— edgarwright (@edgarwright) June 19, 2016

pic.twitter.com/q8VBJBVPK3

— Bad Robot (@bad_robot) June 19, 2016

Anton was a sweetheart. Absolutely a great creative partner and artist.

— Guillermo del Toro (@RealGDT) June 19, 2016

As far as I am concerned, 2016 cannot end fast enough.

— Guillermo del Toro (@RealGDT) June 19, 2016

I loved Anton Yelchin so much. He was a true artist - curious, beautiful, courageous. He was a great pal and a great son. I'm in ruins.

— John Cho (@JohnTheCho) June 19, 2016

This is unreal. Anton Yelchin is such a talent. Such a huge loss.

— Anna Kendrick (@AnnaKendrick47) June 19, 2016

Dreadful news about Anton Yelchin. I thought he was an amazing actor.

— Matt Lucas (@RealMattLucas) June 19, 2016

Today we mourn the passing of Anton Yelchin. He was beloved by so many and he will missed by all. pic.twitter.com/POChZ2XwyI

— Star Trek (@StarTrekMovie) June 19, 2016

Anton Yelchin was one of my best friends. Can't say anything that conveys what this feels like

— Kat Dennings (@OfficialKat) June 19, 2016