Patricia Arquette, Ellar Coltrane, Kevin Costner, Ethan Hawke, SAG-AFTRA(R) President Ken Howard, Rashida Jones, Michael Keaton, Lorelei Linklater, Matthew McConaughey, Matt McGorry, Edward Norton, Julia Roberts and Emma Stone to Present at the 21st Annual Screen Actors Guild Awards(R)

LOS ANGELES (January 14, 2015) - Patricia Arquette, Ellar Coltrane, Kevin Costner, Ethan Hawke, SAG-AFTRA President Ken Howard, Rashida Jones, Michael Keaton, Lorelei Linklater, Matthew McConaughey, Matt McGorry, Edward Norton, Julia Roberts and Emma Stone will be presenters at the 21st Annual Screen Actors Guild Awards(R), Executive Producer Kathy Connell announced today.

They join a growing roster of actors who will honor their colleagues at the SAG Awards(R) Ceremony that already includes Life Achievement Award Presenter Carrie Fisher. The 21st Annual Screen Actors Guild Awards will be simulcast live on TNT and TBS on Sunday, Jan. 25, 2015 at 8 p.m. (ET) / 5 p.m. (PT).

Golden Globe(R) winner Patricia Arquette is a double SAG Award nominee honored for her supporting role and as a member of the cast.of "Boyhood." Emmy(R) Award winner Arquette has been nominated for four other SAG Awards: thrice for her starring role in "Medium" and as part of the television ensemble "Boardwalk Empire" in 2014.

First-time SAG Award nominee Ellar Coltrane is recognized with the motion picture cast for "Boyhood." He'll be seen in the upcoming films "Fast Food Nation" directed by Richard Linklater that also stars Greg Kinnear and Wilmer Valderrama. His prior roles were in the films "Faith & Bullets" and "Halletsville" with Gary Busey.

Academy Award(R), Golden Globe and Emmy Award winner Kevin Costner was honored with a SAG Award in 2013 for his portrayal of Devil Anse Hatfield in the miniseries "Hatfields & McCoys." He is currently starring opposite Octavia Spencer in the critically acclaimed feature "Black or White," which he also developed and produced. He'll be seen this year in the upcoming films "Criminal" and "McFarland, USA."

Ethan Hawke received two Actor(R) nominations this year, for his performance in a supporting role and as a member of the motion picture cast of "Boyhood." Nominated for an Academy Award and a SAG Award for his role in the 2002 film "Training Day," Hawke is also an accomplished writer who was nominated for an Academy Award for adapted screenplay in 2014 for "Before Midnight" and in 2005 for "Before Sunset," in which he co-starred with Julie Delpy. He'll be seen in the upcoming films "Born to be Blue" and "Regression."

Ken Howard is the first elected president of Screen Actors Guild-American Federation of Television and Radio Artists (SAG-AFTRA). Prior to the merger, Howard served two terms as president of the Screen Actors Guild. Howard is the recipient of a Tony(R) Award for his Broadway performance in "Child's Play" and received an Emmy Award for his role in HBO's 2009 hit "Grey Gardens." Howard can currently be seen in the feature film "The Wedding Ringer."

Actress, screenwriter and producer Rashida Jones has appeared in such feature films as "The Social Network," "Our Idiot Brother," "I Love You Man," and "Celeste & Jesse Forever," which she also co-wrote. She's best known for her television roles in the hit series' "Parks and Recreation" and "The Office." She is executive producer of the NBC romantic comedy "A to Z" and will next star as the title character in the upcoming TBS comedy "Angie Tribeca." She will also co-pen the fourth installment to the Disney Pixar "Toy Story" franchise.

Golden Globe and National Board of Review winner Michael Keaton is nominated for two SAG Awards for his lead role and with the ensemble cast in "Birdman." Previously SAG Award- nominated for his role in the miniseries "The Company," Keaton is known for his memorable work in the films "Batman" and "Beetlejuice." Keaton stars in the upcoming feature film "Spotlight."

Lorelei Linklater is a first time SAG Award nominee for the motion picture cast of "Boyhood." She'll be starring in the upcoming feature "Occupy, Texas" with Peri Gilpin and Janine Turner.

Academy Award(R) winner Matthew McConaughey is a SAG Award nominee this year for his role as Rust Cohle in HBO's critically acclaimed series "True Detective." Last year, he received the SAG Award for Outstanding Performance by a Male Actor in a Leading Role for his portrayal of Ron Woodroof in the feature film "Dallas Buyers Club." He'll star in the upcoming films "Sea of Trees" and "Free State of Jones."

21st Annual SAG Awards Social Media Ambassador Matt McGorry is a first-time SAG Award nominee as part of the Outstanding Performance by an Ensemble in a Comedy Series for the Netflix hit "Orange is the New Black" as post-military corrections officer John Bennett. McGorry also stars as Asher Millstone in the hit ABC series "How to Get Away with Murder."

First time SAG Award nominee Edward Norton is recognized with three nominations this year: for his supporting performance and as a member of the cast of "Birdman," and as part of the cast of "The Grand Budapest Hotel" Norton has received two Academy Awards, as Best Supporting Actor in the 1996 film "Primal Fear" and as Best Actor in 1998 for his work in "American History X."

SAG Award nominated this year for her portrayal of Dr. Emma Brookner in HBO's "The Normal Heart," Academy Award, Golden Globe and SAG Award recipient Julia Roberts received her Actor(R) in 2001 for her lead performance in "Erin Brockovich." She was twice nominated last year for her supporting performance and as a member of the cast of "August: Osage County."

Emma Stone received a 2012 SAG Award for her work in the ensemble of the critically acclaimed feature "The Help." This year she is nominated for two SAG Awards for her supporting role and ensemble work in "Birdman." She has starred in such films as "The Amazing Spider-Man" and "Crazy, Stupid, Love," among others. Stone is currently starring on Broadway in "Cabaret."

About the 21st Annual Screen Actors Guild Awards(R)

The 21st Annual Screen Actors Guild Awards(R) presented by SAG-AFTRA with Screen Actors Guild Awards, LLC will be produced by Avalon Harbor Entertainment, Inc. and will be simulcast live on TNT and TBS on Sunday, Jan. 25, 2015 at 8 p.m. (ET) / 5 p.m. (PT). A primetime encore presentation will follow immediately on TNT. The SAG Awards can also be viewed live on the TNT and TBS websites, and also the Watch TNT and Watch TBS apps for iOS or Android. (Viewers must sign in using their TV service provider user name and password)

Prior to the televised ceremony, honorees for outstanding television and film stunt ensemble action performances will be announced from the red carpet during the SAG Awards Red Carpet Pre-show, which will be webcast live on sagawards.tntdrama.com and People.com beginning at 6 p.m. (ET) / 3 p.m. (PT).

One of the awards season's premier events, the SAG Awards annually celebrates the outstanding motion picture and television performances from the previous calendar year. Of the top industry honors presented to actors, only the SAG Awards are selected entirely by 111,228 performers' peers in SAG-AFTRA. The SAG Awards was the first televised awards show to acknowledge the work of union members and the first to present awards to motion picture casts and television ensembles. For more information about the SAG Awards(R), SAG-AFTRA, TNT and TBS, visit sagawards.org/about.