Nebli trained at the Royal Conservatoire of Scotland where he won the James Bridie Gold Medal for Best Performance in the title role in Charlie Sonata, as well as the Citizens Theatre Society Prize.

Theatre credits include: The Lottery Ticket (Òran Mór); Shattered (In Motion Theatre); The Arabian Nights and Cockpit (Royal Lyceum Theatre) and Platonov, Ivanov and The Seagull (Chichester Festival Theatre).

Television credits include: Gangs of London (Sky Atlantic and HBO); Trust Me (BBC One) and Tyrant 2 (Fox TV).

Film credits include: Murder On The Orient Express (Fox UK) and T2 Trainspotting (Film4, Creative Scotland, Cloud Eight Films and DNA Films)