James Finley Ransone III (born June 2, 1979) is an American actor. He is known for his roles as Ziggy Sobotka in the second season of HBO's crime drama series The Wire, United States Marine Corps Cpl. Josh Ray Person in the war drama miniseries Generation Kill, The Deputy in the supernatural horror films Sinister (2012) and Sinister 2 (2015), and the adult Eddie Kaspbrak in It Chapter Two.
Ransone was born and raised in Baltimore, Maryland, the son of Joyce (née Peterson) and James Finley Ransone II, a Vietnam War veteran. He was educated at the George Washington Carver Center for Arts and Technology in Baltimore, and went on to attend the School of Visual Arts in Manhattan for one year.
In 2002, Ransone co-starred in the Harmony Korine drama film Ken Park as Tate. By the age of 27, Ransone had developed a heroin addiction and a debt of $30,000, but radically altered his lifestyle by moving to Namibia for eight months, undergoing immersion into his role as Cpl. Josh Ray Person in the HBO war drama miniseries Generation Kill.