Imelda Staunton will play Queen Elizabeth II in seasons 5 and 6 of 'The Crown.' Revisit her best roles.

Staunton is a loyal friend and hopeless romantic in the movie about love and friendship. She helps her friend Kate (Andie MacDowell) navigate tough situations while maintaining an open heart.

Staunton plays a woman from the working class who breaks the law by providing access to abortions in this period piece. The story is set in 1950s London.

Staunton brought an eerie chill to her role as the prejudiced educator with no patience for muggles.

Staunton's Mrs. Lovett is motivated by passion and profits in this Stephen Sondheim musical. She played the role in the West End revival that ran at Adelphi Theatre from March 10 to September 22, 2012.

Staunton's frazzled energy as a princess-guarding pixie marks the moment perfectly.

She worked with her close friend Timothy Spall on this rom-com about facing the second act of your life after a setback. Her character reconnects with family, seeks new creative outlets, and opens herself to a new relationship after her husband commits infidelity.

Staunton shines as the nosy neighbor Mary in "Flesh & Blood." The character spills secrets that impact a trio of recently bereaved siblings.

Staunton played a formidable opponent to the Dowager Countess of Grantham in both "Downton Abbey" films.