Movies
The Last Station is based on Jay Parini's 1990 novel of the same name, which covers the turbulent last year of the Russian writer's life.
Plummer will play Tolstoy and Mirren will be his wife Sofia, replacing Anthony Hopkins and Meryl Streep, who were previously announced in the roles.
The Michael Hoffman-directed movie also stars James McAvoy and Paul Giamatti.
Production is scheduled to begin in Germany next week.
Plummer is currently shooting The Imaginarium of Doctor Parnassus, the film Heath Ledger was working on before his death.
Movie Reviews
'Extremely Loud & Incredibly Close' reviewTom Hanks features in a long and winding journey through New York after 9/11
At the Movies
David Lynch: 10 reasons to worship himIt's time to celebrate director David Lynch as the BFI screens a season of his films.
Movies Interviews
Max von Sydow 'Extremely Loud' interviewActing legend Max von Sydow on Extremely Loud & Incredibly Close, The Exorcist and Flash Gordon.
Box Office Charts
'The Woman in Black' wins UK box officeThe Woman in Black beats The Muppets and Star Wars at the the UK box office.
