Philip Seymour Hoffman, whose Broadway credits include True West and Long Days Journey Into Night, won the Outstanding Performance by a Male Actor in a Leading (Film) Role prize for his performance as the late troubled writer Truman Capote in “Capote.” Hoffman was also awarded a Golden Globe for that performance and is expected to be Oscar-nominated this week.

Felicity Huffman, the veteran stage actress now best known for her role on “Desperate Housewives,” won the Outstanding Performance by a Female Actor in a (TV) Comedy Series award for her work on that hit ABC series. Huffman was also nominated in the Outstanding Performance by a Female Actor in a Leading (Film) Role category for her work in “Transamerica,” but lost that award to Reese Witherspoon, the young actress who won for her role as June Carter Cash in “Walk the Line.”

S. Epatha Merkerson, the veteran stage and TV actress who thanked her divorce lawyer in her acceptance speech, was awarded the Outstanding Performance by a Female Actor in a Television Movie or Miniseries prize for her work in the HBO adaptation of “Lackawanna Blues.” Merkerson picked up a Golden Globe for that performance as well.

Paul Giamatti, whose many stage credits include the 1999 Kevin Spacey revival of The Iceman Cometh and the 1997 revival of Three Sisters as well as Racing Demon and Arcadia, won the Outstanding Performance by a Male Actor in a Supporting (Film) Role award for his performance in “Cinderella Man.” And, Rachel Weisz, seen in the London production of The Shape of Things, won the Supporting Role Award for her performance in “The Constant Gardener.”

Other winners: Paul Newman (Outstanding Performance by a Male Actor in a Television Movie or Miniseries for “Empire Falls”) and Sandra Oh (Outstanding Performance by a Female Actor in a Drama Series for “Grey’s Anatomy”). Child star Shirley Temple Black was also honored with the Screen Actors Guild Awards’ 42nd Annual Lifetime Achievement Award.

For a complete list of SAG winners, go to www.sagawards.org.