Sam Rockwell wins Best Supporting Actor Award of 90th Oscar

Sam Rockwell received Best Supporting Actor at the 90th Academy Awards for his role in "Three Billboards Outside Ebbing, Missouri" on Sunday.

Sam Rockwell, winner of the award for best performance by an actor in a supporting role for "Three Billboards Outside Ebbing, Missouri", poses in the press room at the Oscars on Sunday, March 4, 2018, at the Dolby Theatre in Los Angeles. [Photo: AP]

Rockwell, portraying "Three Billboards Outside Ebbing, Missouri" dim-witted, racist cop with anger management issues, garnered widespread acclaim and earned him numerous accolades, including the Golden Globe Award for Best Supporting Actor -- Motion Picture and Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Supporting Role before the Oscars this year.

This is the first Oscar win for Rockwell.

"I'd like to thank the Academy, never thought I'd say those words," he said in his acceptance speech.