The film explores friendship and loyalty against the backdrop of an America poised to elect Ronald Reagan as president.
The news comes days after the film wrapped production in London. Hopkins joins an ensemble cast that includes Hugh Jackman, Laura Dern, Vanessa Kirby, and Zen McGrath.
To say that the film is a difficult watch, would be an understatement. It stabs at your emotions, hitting your raw nerves.
Though Hopkins was not available during the event, the actor posted a video message later to acknowledge the award and thank the Academy.
A surprised Hopkins, who did not attend the ceremony, spoke to fans from Wales in a video message on Twitter.
While Anthony Hopkins and Frances McDormand won the awards for best actor and actress respectively, Danish movie 'Another Round' win the best foreign film.
It was a surprise win for the actor as many expected the Academy to honour late star Chadwick Boseman for his performance in 'Ma Rainey's Black Bottom'.
The most ambitious award show held during the pandemic, the Oscars rolled out a red carpet and restored some glamour to the nearly century-old movie institution.
Anthony Hopkins and Olivia Colman play father and daughter in Florian Zeller's complex relationship drama 'The Father'.
The film, directed and co-written by Florian Zeller, is nominated in six categories at the upcoming 93rd Academy Awards.
The story is about a photographer who experiences an artistic decline and starts taking his aggressions out on his artist girlfriend.
The 80-year-old actor stars in the modern-day version of the Shakespeare play and for one of the scenes Hopkins was pushing his belongings around city streets in character.