Sean Penn
The Mystic River actor was thrilled to take home the award for Outstanding Performance by a Male Actor in Leading Role for his role as Harvey Milk in Milk.
Meryl Streep
The Mary Poppins Returns star was thankful to be honored with the Outstanding Performance by a Female Actor in a Leading Role award for her work on Doubt.
Heath Ledger
The Brokeback Mountain actor posthumously received the Outstanding Performance by a Male Actor in a Supporting Role award for playing The Joker in The Dark Knight.
Kate Winslet
The English actress was all smiles while accepting her award for Outstanding Performance by a Female Actor in a Supporting Role for playing Hanna Schmitz in The Reader.
Slumdog Millionaire
The cast of Slumdog Millionaire had lots to celebrate when they were awarded the trophy for Outstanding Performance by a Cast in a Motion Picture.
Laura Linney
The Nocturnal Animals actress won the award for Outstanding Performance by a Female Actor in a Miniseries or Television Movie for her role as Abigail Adams in John Adams. She could pick up another SAG award for her work on Ozark at this year's ceremony.
Hugh Laurie
The English actor took to the stage to receive the Outstanding Performance by a Male Actor in a Drama Series award for his work on House.
Sally Field
The Hello, My Name Is Doris actress happily accepted the award for Outstanding Performance by a Female Actor in a Drama Series for her role as Nora Walker on Brothers & Sisters.
Alec Baldwin
The Saturday Night Live guest star beat out the competition to be receive the Outstanding Performance by a Male Actor in a Comedy Series trophy for his role as Jack Donaghy on 30 Rock.
Tina Fey
The Emmy winner took home the trophy for Outstanding Performance by a Female Actor in a Comedy Series for her role on 30 Rock.
Mad Men
In 2009, the cast of Mad Men was honored with the award for Outstanding Performance by an Ensemble in a Drama Series.
30 Rock
Talk about a celebration! The 30 Rock cast was ecstatic to win the Outstanding Performance by an Ensemble in a Comedy Series.
John Krasinski
The Office star looked dapper in a suit for the 2009 SAG Awards. This year, Krasinski is nominated for Outstanding Performance by a Male Actor in a Drama Series for his work on Tom Clancy's Jack Ryan.
Emily Blunt
The Girl on the Train actress sparkled while making her way inside the ceremony. Blunt is up for Outstanding Performance by a Female Actor in a Leading Role for Mary Poppins Returns and Outstanding Performance by a Female Actor in a Supporting Role for A Quiet Place this year.
Amy Adams
The Arrival star was a vision in purple on the red carpet. Adams could be a double winner at this year's ceremony where she is up for Outstanding Performance by a Female Actor in a Supporting Role for Vice and Outstanding Performance by a Female Actor in a Television Movie or Miniseries for Sharp Objects.
Elisabeth Moss
The Golden Globe winner was simply stunning on the red carpet before her show, Mad Men, took home the trophy for Outstanding Performance by an Ensemble in a Drama Series. This year, she could walk away with the Outstanding Performance by a Female Actor in a Drama Series award for her role on The Handmaid's Tale.
Penélope Cruz
The Vicky Cristina Barcelona actress stunned in a velvet dress by Azzedine Alaia in 2009. Cruz is up for Outstanding Performance by a Female Actor in a Television Movie or Miniseries for her work on Assassination of Gianni Versace at this year's SAG Awards.