I Know This Much Is True
Based on the bestselling novel by Wally Lamb, written and directed by Derek Cianfrance, and starring Mark Ruffalo, this limited series follows Dominick Birdsey as he struggles to care for his twin brother, Thomas, while discovering the truth about his own family history.
PLAYLIST 11 VIDEOS
The actors and director discuss bringing an ensemble of unique and compelling characters to life.
From the Director

Derek Cianfrance offers his own thoughts on the first episode of the series. Check out the full episode for free now.

“It's all high drama in small, ordinary events.” Director, writer and executive producer Derek Cianfrance shares his mission for the series.

Rewatch pivotal moments in the series with notations provided by Cianfrance.
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