Her latest film is David Mamets State and Main. She also starred in Mamets earlier films The Spanish Prisoner and The Winslow Boy. Pidgeon is also known for her work on stage. She trained at the Royal Academy of Dramatic Arts in London and appeared in many plays including the London production of Speed the Plow, and The Old Neighborhood on Broadway. Pidgeon is also a singer/songwriter. Her latest CD is called Four Marys.