Mark Ruffalo to Play Twins in HBO Limited Series

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Mark Ruffalo is returning to the small screen, and viewers will see double when they tune into his new show. 

Per Deadline, the actor will play twin brothers in the HBO miniseries; I Know This Much Is True

The series is “a family saga that follows the parallel lives of identical twin brothers in an epic story of betrayal, sacrifice, and forgiveness,” according to HBO’s official description, “set against the backdrop of 20th-century America.”

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Ruffalo is on board to play twins Dominick and Thomas Birdsey on the TV adaptation of the bestselling novel of the same name by Wally Lamb. 

Ruffalo will also executive produce the six-part series, while film director, is attached to write and direct the entire limited series. It has already received a production commitment, so HBO must be big on the idea of the series. 

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For Mark, this will represent his first regular TV gig since The Beat in 2000. The cop drama failed to resonate with both viewers and critics and was canceled just weeks after premiering. 

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It left seven episodes unaired. Yes, there are multiple installments of a TV show with Mark Ruffalo out there that never made the air. While Mark has mostly steered clear of acting on the small screen. 

He did star in HBO's A Normal Heart, but that was a TV movie, so we can't exactly rule it a TV series. 

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Mark has a more prominent profile when it comes to the big screen. The talented actor is probably best known for his role as Bruce Banner aka The Hulk on Marvel's Avengers franchise. 

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I know This Much Is True joins a network that already includes the likes of Big Little Lies, Game of Thrones, True Detective, Camping, and Insecure. 

There's no word yet on when the series will premiere, but we expect it will be during 2019. 

What are your thoughts on this casting news? 

Hit the comments below. 

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on X.

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