The two actors and their respective films, ‘The Imitation Game’ and ‘The Theory Of Everything’ have both picked up three nominations ahead of the ceremony, which is often seen as an indicator for who’s likely to nab an Oscar.
Benedict has also received a nomination for his leading role in 'Sherlock'.
The movie ‘Birdman’ is up for four gongs, including individual nods for its stars Michael Keaton, Edward Norton and Emma Stone, while ‘Cake’ has earnt Jennifer Aniston a nomination.
In the television categories, a number of fan favourites are up for awards, including ‘Orange Is The New Black’, ‘Downton Abbey’ and ‘Game Of Thrones’.
The winners will be announced on 25 January.
See the full list of nominees below:
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'
Outstanding Performance by a Female Actor in a Leading Role:
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:
'The Grand Budapest Hotel'
'The Imitation Game'
'The Theory of Everything'
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: 'The 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:
'Game of Thrones'
'House of Cards'
Outstanding Performance by an Ensemble in a Comedy Series:
'The Big Bang Theory'
'Orange is the New Black'
SAG Awards honours for stunt ensembles:
Outstanding Action Performance by a Stunt Ensemble in a Motion Picture:
'Get On Up'
'The Hobbit: The Battle of the Five Armies'
'X-Men: Days of Future Past'
Outstanding action performance by a stunt ensemble in a comedy or drama series:
'24: Live Another Day'
'Game of Thrones'
'Sons of Anarchy'
'The Walking Dead'
Screen Actors Guild 51st Annual Life Achievement Award: Debbie Reynolds