Background
Sikora was born in Chicago, Illinois.
Sikora was born in Chicago, Illinois.
He studied acting at Chicago"s Columbia College, where he received a Bachelor in theater.
As a child, Sikora appeared in a commercial with Michael Jordan. He made his Broadway debut in 2006 after he was cast as one of the leads on The Caine Mutiny Court-Martial. Sikora made his acting debut in an episode of The New Adam-12 after playing extras on a few television shows.
He was cast as Johnny in Rudy.
After making small appearances in television shows and films such as Early Edition, Turks, The Watcher, and Ghost World, he was cast in two episodes of Third Watch. In 2003, Sikora was cast as Roger in the direct-to-video biographical-drama film Gacy.
After making a few appearances on low-budget movies, he was cast in the Golden Globe-nominated Normal, which he feels was his "break-through" moment when the star of the movie, Tom Wilkinson, told him that "all you have to do is think the line and the camera will read it". He also took part in plays and was part of the Geffen Theatre"s production of Fat Pig and the Lost Angeles Theatre"s production of Killer Joe.
He made a lot of television appearances between 2005–2012, appearing in major network shows including Emergency, Grey"s Anatomy, Criminal Minds, Without a Trace, Computer Society of India: Miami, Prison Break, Lost, and Dollhouse.
He was later cast in the 2007 horror film Night Skies. He was later cast in two episodes of Law & Order: Special Victims Unit in 2010. That same year, he was cast as a mental patient in Shutter Island.
In 2011, he was cast in the television pilot for Body of Proof, as well as being signed in a full role in Adult Swim"s comedy horror television series The Heart, She Holler, playing the Sheriff.
In early 2012, he signed on to appear in Safe as the son of the head of the Russian mafia. He returned to theatre in September 2012 with The Freedom of the City.
In October 2013, he was cast in Starz! original drama series Power. In 2012, he appeared in Jack Reacher, in which he played a sniper wrongfully accused of gunning down random people in Pittsburgh and Jack Reacher is called in to prove that he is innocent.
He is also an ensemble member of Chicago"s Shattered Globe Theatre Company.