In addition to Silent Witness – in which his character, detective Tibor Orban, helped to uncover a baby-farming racket in Budapest while trying to track down series regular, forensic pathologist Dr Harry Cunningham – Kamarás has played Pipin, the son of Charlemagne, in the miniseries Charlemagne (1993); Louis II, King of Hungary, in the costume drama Mohacs (1995); Ivan, a man who becomes obsessed on his wedding day with his newly met twin sister in Alice and the Seven Wolves (2009); and the machiavellian nightclub owner and antihero Evil in the 10-part drama First Generation (2001). He was also the creative force behind Mobile Poem, a series of poetry readings done by notable Hungarian actors and filmed on mobile phone, which screened on the Hungarian TV channel MTV1 in 2009. In January 2011, he played a Hungarian detective, Tibor Orban, in Bloodlines, the fourth episode in the 14th series of the BBC crime drama Silent Witness. In 2014 he played the role of Rasputin in the two-part History Channel miniseries Houdini.