Jimmy Ryan

Played by Mark O'Brien

Jimmy Ryan

Frankie’s troubled younger brother who faces addiction and psychiatric problems, making him unpredictable. He convinces Frankie to let him join his gang of robbers, against Frankie’s better judgement. 

Frankie’s troubled younger brother who faces addiction and psychiatric problems, making him unpredictable. He convinces Frankie to let him join his gang of robbers, against Frankie’s better judgement. 

Mark O'Brien

Mark O’Brien recently completed the thriller READY OR NOT, opposite Samara Weaving and stars alongside Will Patton in the independent thriller-drama HAMMER.

O’Brien played Billy Shore in Jason Reitman’s THE FRONT RUNNER, with Hugh Jackman. He also recently completed production for Adriana Maggs’ GOALIE and on Noah Baumbach’s UNTITLED NOAH BAUMBACH PROJECT, opposite Scarlett Johansson.

Additional credits include BAD TIMES AT THE EL ROYALE opposite Jeff Bridges, Chris Hemsworth and Jon Hamm; THE DARKEST MINDS; HOW IT ENDS, opposite Theo James and Forest Whitaker; STATE LIKE SLEEP, opposite Michael Shannon and the Oscar nominated ARRIVAL. On the small screen, O’Brien was a series regular on THE LAST TYCOON and had recurring roles in HALT AND CATCH FIRE and HANNIBAL.  

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