James Ransone

In 2002, Ransone co-starred in the Larry Clark drama film Ken Park as Tate. In 2003, he was featured in 12 episodes of The Wire, as Ziggy Sobotka. He had a supporting role in Spike Lee's 2006 heist movie Inside Man as bank robber, Steve-O. He starred in the 2008 miniseries Generation Kill as Cpl. Josh Ray Person. In 2010, he was cast in a recurring role in the HBO comedy series How to Make It in America, and the following year, appeared in a recurring role in the HBO drama series Treme. In 2012, he starred in the drama film Starlet. The following year, he starred in the AMC drama series Low Winter Sun as Damon Callis.

Ransone then starred in the 2012 horror film Sinister in the supporting role of Deputy So-and-So. In June 2014, Ransone joined the cast of the Western film In a Valley of Violence. Also in 2014, Ransone starred in Small Engine Repair off-Broadway. In 2015, he had a supporting role in the comedy-drama film Tangerine. Following the success of Sinister, Ransone appeared in the 2015 sequel Sinister 2, reprising his role from the first film but now as the main character. In 2016, Ransone appeared in Season 2 of the drama series Bosch as Eddie Arceneaux.

In 2019, Ransone played Eddie Kaspbrak (sharing the role with Jack Dylan Grazer) in the horror film It Chapter Two, for which he received critical praise.