Brenda Anne Blethyn is an English actress who has worked in theatre, television, and film. Blethyn has received two Academy Award nominations, two SAG Award nominations, two Emmy Award nominations and three Golden Globe Award nominations, winning one. In addition, she has won a BAFTA, an Empire Award and a Golden Lion, and has earned a Theater World Award and both a Critics' Circle Theatre Award and a Laurence Olivier Award nomination for her theatrical work.

Born into a working class home in Ramsgate, Kent, Blethyn pursued an administrative career until her early 30s before enrolling in the Guildford School of Acting after the dissolution of her marriage in 1973. She subsequently joined the Royal National Theatre and received credits for her performances in Troilus and Cressida (1976) and Mysteries (1979). In 1981, Blethyn earned her first critical acclaim for Steaming.