Actor and Rochester native Philip Seymour Hoffman was found dead Sunday in his New York City apartment. According to reports, police suspect a drug overdose killed the 46-year-old actor, but they won’t make an official announcement until after the investigation is complete.

Hoffman won an Oscar in 2006 for the film "Capote" and had three other Oscar nominations in his expansive career for "The Master," "Charlie Wilson's War" and "Doubt." Hoffman had roles in "The Big Lebowski," "Mission: Impossible 3," "Moneyball," "Pirate Radio" and "Almost Famous." Hoffman also had several films in post-production, including "Hunger Games: Mockingjay Part 1."

As soon as word got out that Hoffman had passed, celebrities took to Twitter to express sadness over his death.

Justin Timberlake: "Just hearing about Phillip Seymour Hoffman. Devastating. What an amazingly gifted actor. RIP"

Ellen DeGeneres: "Philip Seymour Hoffman was a brilliant, talented man. The news this morning is shocking and sad. My heart goes out to his loved ones."

Russell Crowe: "I have just heard about Phillip Seymour Hoffman, one of natures Gentlemen . Rest in peace . Love and respect."

Paris Hilton: "So sad to hear the horrible news about Philip Seymour Hoffman. He was 1 of the greatest actors of our time. My prayers go out to his family."

Patton Oswalt: " 'Sometimes I absolutely hate this job.' -- The Grim Reaper, when Philip Seymour Hoffman's name showed up on his list."

James Van Der Beek:
"Nooo! So sad about Philip Seymour Hoffman. One of those actors we all idolized. Genius character leading man. Heart goes out to his family."

Lena Dunham: "Beautiful beautiful man. We have lost so much joy to something so joyless. RIP PSH."

James Franco: "Philip Seymour Hoffman -- he was the best of the best -- seems impossible that he's gone."

Steve Martin: "Shocked to hear of Phillip Seymour Hoffman’s death. If you missed him as Willy Loman, you missed a Willy Loman for all time."

Addiction is a monster, but help is available. You don't have to fight alone. If you or someone you love is battling addiction, please reach out to one of these places for confidential help before it's too late:

  • Southern Tier Drug Abuse Treatment Center-(607) 762-2800
  • Alcoholics & Narcotics Helpline- (607) 773-4777 or(800) 206-7272