Kraig was born in Leicester and trained at The East 15 Acting School.
West End credits include: Grandpa George in Charlie and the Chocolate Factory (Theatre Royal Drury Lane); Guys and Dolls, Oh! What a Lovely War and Rosencrantz and Guildenstern are Dead (Royal National Theatre); Ariel in Return to the Forbidden Planet (original cast, Cambridge Theatre) and Riff Raff in The Rocky Horror Show (Duke of York’s).
Other theatre credits include: Lockit in The Beggar’s Opera (Théâtre Des Bouffes Du Nord, Paris); Somewhere in England (Clywd Theatr Cymru); Brassed Off (UK No.1 Tour); The Government Inspector (Northern Broadsides); Midsummer Nights Dream, The Mikado and Scrooge in A Christmas Carol (Stephen Joseph Theatre); Mushnik in Little Shop of Horrors (Menier UK tour); Mary Poppins (UK tour); Twelfth Night (Stafford Festival Shakespeare); The Front Page (Chichester Festival Theatre); Fagin in Oliver! (New Vic Theatre); A Funny Thing Happened on the Way To the Forum; A Family Affair, A Mad World My Masters (The New Wolsey Theatre); The Millennium Mysteries and Kurtz in Heart of Darkness (Teatr Biuro Podrozy, Poland); The Emcee in Cabaret, and Puck in A Midsummer Night’s Dream ( Queens Theatre, Hornchurch); Façade (Pocket Opera Venice); The Threepenny Opera , Happy End and Sugar (Clwyd Theatr Cymru); Loot (Palace, Watford) and The Gambler (Liverpool, Everyman).
TV Credits include: A Thing Called Love (BBC); Dog Boy (Liquid TV); True Crimes (LWT) and The Bill (ITV).
Film credits include: Muppets Most Wanted (James Bobin); Alice – Through the Looking Glass (James Bobin); Inception (Christopher Nolan); Gulliver’s Travels (Rob Letterman); The Last Minute (Stephen Norrington) and Riff Raff in The Rocky Horror Tribute Show (recorded Live at the Royal Court Theatre).