The 38-year-old actor is in the running for honours in both the TV and movie categories, and will contest for Outstanding Performance by a Male Actor in a Television Movie or Miniseries for his performance in Sherlock and Outstanding Performance by a Male Actor in a Leading Role for his turn in The Imitation Game.
His Imitation Game co-star Keira Knightley is nominated for Outstanding Performance by a Female Actor in a Supporting Role, while the entire cast are up for Outstanding Performance by a Cast in a Motion Picture.
Meanwhile, Birdman is up for four prizes, including the Outstanding Performance by a Cast, while its stars Michael Keaton, Edward Norton and Emma Stone all received individual nominations.
Among the other nominees announced by Ansel Elgort and Eva Longoria in Los Angeles on Wednesday morning were Jennifer Aniston, whose performance in Cake earned her a Outstanding Performance by a Female Actor in a Leading Role nod, but she faces competition for the prize from The Theory of Everything star Felicity Jones, Still Alice actress Julianne Moore, Gone Girl's Rosamund Pike and Reese Witherspoon from Wild.
In the TV categories, Modern Family led the way with four nominations, while Boardwalk Empire, House of Cards, Homeland and Game of Thrones each scored three nods.
The winners will be announced in a televised ceremony on Sunday, January 25, 2015.
Screen Actors Guild awards 2015 list of nominees:
Movies:
Outstanding Performance by a Male Actor in a Leading Role:
Steve Carell: Foxcatcher
Benedict Cumberbatch: The Imitation Game
Jake Gyllenhaal: Nightcrawler
Michael Keaton: Birdman
Eddie Redmayne: The Theory of Everything
Jennifer Aniston: Cake
Felicity Jones: The Theory of Everything
Julienne Moore: Still Alice
Rosamund Pike: Gone Girl
Reese Witherspoon: Wild
Outstanding Performance by a Male Actor in a Supporting Role:
Robert Duvall: The Judge
Ethan Hawke: Boyhood
Edward Norton: Birdman
Mark Ruffalo: Foxcatcher
J.K. Simmons: Whiplash
Outstanding Performance by a Female Actor in a Supporting Role:
Patricia Arquette: Boyhood
Keira Knightley: The Imitation Game
Emma Stone: Birdman
Meryl Streep: Into The Woods
Naomi Watts: St. Vincent
Outstanding Performance by a Cast in a Motion Picture:
Birdman
Boyhood
The Grand Budapest Hotel
The Imitation Game
The Theory of Everything
Television:
Outstanding Performance by a Male Actor in a Television Movie or Miniseries:
Adrien Brody: Houdini
Benedict Cumberbatch: Sherlock: His Last Vow
Richard Jenkins: Olive Kitteridge
Mark Ruffalo: The Normal Heart
Billy Bob Thornton: Fargo
Outstanding Performance by a Female Actor in a Television Movie or Miniseries:
Ellen Burstyn: Flowers in the Attic
Maggie Gyllenhaal: The Honorable Woman
Frances McDormand: Olive Kitteridge
Julia Roberts: The Normal Heart
Cicely Tyson: The Trip to Bountiful
Outstanding Performance by a Male Actor in a Drama Series:
Steve Buscemi: Boardwalk Empire
Peter Dinklage: Game of Thrones
Woody Harrelson: True Detective
Matthew McConaughey: True Detective
Kevin Spacey: House of Cards
Outstanding Performance by a Female Actor in a Drama Series:
Claire Danes: Homeland
Viola Davis: How To Get Away With Murder
Julianna Margulies: The Good Wife
Tatiana Maslany: Orphan Black
Maggie Smith: Downton Abbey
Robin Wright: House of Cards
Outstanding Performance by a Male Actor in a Comedy Series:
Ty Burrell: Modern Family
Louis C.K.: Louie
William H. Macy: Shameless
Jim Parsons: 'he Big Bang Theory
Eric Stonestreet: Modern Family
Outstanding Performance by a Female Actor in a Comedy Series:
Uzo Aduba: Orange is the New Black
Julie Bowen: Modern Family
Edie Falco: Nurse Jackie
Julia Louis-Dreyfus: Veep
Amy Poehler: Parks and Recreation
Outstanding Performance by an Ensemble in a Drama Series:
Boardwalk Empire
Downton Abbey
Game of Thrones
Homeland
House of Cards
Outstanding Performance by an Ensemble in a Comedy Series:
The Big Bang Theory
Brooklyn Nine-Nine
Modern Family
Orange is the New Black
Veep
SAG Awards honours for stunt ensembles:
Outstanding Action Performance by a Stunt Ensemble in a Motion Picture:
Fury
Get On Up
The Hobbit: The Battle of the Five Armies
Unbroken
X-Men: Days of Future Past
Outstanding action performance by a stunt ensemble in a comedy or drama series:
24: Live Another Day
Boardwalk Empire
Game of Thrones
Homeland
Sons of Anarchy
The Walking Dead
Screen Actors Guild 51st Annual Life Achievement Award:
Debbie Reynolds