Here are just some of the tributes celebrities have posted on Twitter following the death of Philip Seymour Hoffman.
Mia Farrow posted: "OH NO!!!!! Philip Seymour Hoffman has died. A truly kind, wonderful man and one of our greatest actors - ever."
Actress Andie MacDowell added: "Phillip Seymour Hoffman was not only a genius actor but a kind, generous man RIP."
Film director Kevin Smith was also upset by the news, writing: "This truly blows. PHILIP SEYMOUR HOFFMAN has died ... First noticed him in SCENT OF A WOMAN. Brilliant actor. So sad...(sic)"
Elijah Wood wrote: "Heartbroken and shocked. what a true loss. rest in peace, Philip Seymour Hoffman (sic)"
Jim Carrey added: "Dear Philip, a beautiful beautiful soul. For the most sensitive among us the noise can be too much. Bless your heart."
Philip was obviously highly regarded by actors, directors and audiences and brought a very distinctive presence to the roles he played in his many films. Philip was last seen on the big screen as Plutarch Heavensbee in The Hunger Games: Catching Fire.
He had been working on a new comedy-drama TV series, Happyish at the time of his passing.
He is survived by his partner, costume designer Mimi O'Donnell, and their three children: ten-year-old son Cooper Alexander and two daughters, Tallulah (7) and Willa (5).
