Sebastian trained with the Russian drama teacher, Sam Kogan (GITIS, Moscow), before acting in numerous stage roles including, Soliony in Three Sisters at the Moscow Arts Theatre, Albert in Pinter's A Night Out at the  Edinburgh Festival, and Jack in Brighton Beach Memoirs at the Camden People's Theatre. His TV work includes Engaged Tone for the BBC, Final Arrangement for Sky, and the forthcoming Praze & Beeble, produced by Space Custard. He recently starred in World War Z  for Paramount, and was cast by Gavin Irvine in the lead role of Dealer in the award winning comedy short, Pig Wormer.2:40 to London sees Sebastian reunited with Irvine in another off-the-wall comedy.