Jack Flynn, also known as Brad Casydy or Jake Flynn, is a Czech adult film performer active primarily in the gay pornography industry from 2015 onward. Born in the Czech Republic, he is of Caucasian ethnicity with brown hair and blue eyes, standing at 5 feet 10 inches tall. Flynn gained recognition through studios such as BoyFun, Southern Strokes, Bring Me a Boy, and Raw Euro, appearing in numerous scenes that often feature him in versatile roles including bottom and top positions.
His work includes titles like "Apples to Assholes," "Any Excuse," "Caught You Jacking," and various bareback and twink-themed productions. Known for his youthful appeal and engaging performances, Flynn has contributed to the European gay adult scene with a focus on amateur-style and studio content. He has also performed under different aliases early in his career, building a notable presence in online adult video platforms.