Earl’s theatre credits include Prime Minister in the World wide première of Mandela at the Young Vic;  Dubdhara in Schönberg and Boublils' The Pirate Queen at the London Coliseum; Bishop of Digne and Bamatabois in the 2019 Les Misérables Stage Concert at the Gielgud Theatre; Lionel Solomon in The Dreamers; Maskew and Turnkey in Moonfleet at the Salisbury Playhouse, Father in the award winning production, Ragtime at the Charing Cross Theatre, London and Morrison in the Singapore Repertory Theatre’s production of Forbidden City: Portrait of an Empress. Other musical theatre work has included Commander Khassoggi in Queen’s We Will Rock You to the World première of Zorro to playing Archibald Craven in the Scottish première of The Secret Garden to the original West End and touring productions of Disney’s Beauty and the Beast playing both Beast and Gaston to Bill Kenwright’s Robin, Prince of Sherwood and Joseph and The Amazing Technicolor© Dreamboat.

Earl is renowned for his work as Inspector Javert in Cameron Mackintosh’s productions of Les Misérables and Les Misérables 25th Anniversary Production (London, Broadway, Toronto, Paris, Singapore, Manila and throughout the United Kingdom). He has also performed as the Phantom in Andrew Lloyd Webber’s and Cameron Mackintosh’s original and 25th Anniversary productions of The Phantom of the Opera (Her Majesty’s and throughout the United Kingdom); Ed Parsley in the original cast and Daryl van Horne in The Witches of Eastwick (Drury Lane and Prince of Wales); Joe Gillis in original UK tour cast Sunset Boulevard and Peron in Bill Kenwrights’ Evita throughout Europe and the United Kingdom.

Earl has become an acclaimed and versatile international musical theatre performer appearing throughout the United Kingdom and Northern Ireland, London's West End, Paris, Switzerland, Germany, Austria, Scandinavia, Sweden, Dubai, Japan, Toronto, Broadway in New York, Macau, Shanghai, Beijing and Singapore.

On the concert platform he has worked alongside the likes of Colm Wilkinson in Broadway and Beyond and for MSDT Song and Dance of Broadway, both in Japan; the BBC Concert Orchestra (Friday Night is Music Night); the Bournemouth Symphony Orchestra (Les Misérables in Concert, Some Enchanted Evening and Chess in Concert); the Royal Liverpool Philharmonic (Three Phantoms, A Musical Night of Queen and Christmassy Wonderland) as well as the 50th anniversary celebrations for the Royal Shakespeare Company (Stratford-upon-Avon). He was also the Auctioneer in Andrew Lloyd Webber’s and Cameron Mackintosh’s 25th Anniversary Concert of The Phantom of the Opera (Royal Albert Hall) and the Bishop in Cameron Mackintosh's Les Misérables 25th Anniversary Concert (02 Arena).

He’s Creative Director for Ginger Boy Productions and has devised and directed the concert phenomenon, Three Phantoms, that has toured internationally since 2011.

He was appointed Patron in 2014 and Associate Artist in 2018 to the UK's largest independent producing and presenting house, the Mayflower Theatre. Earl is also a Visiting Professor for Solent University.

Earl has just concluded a limited run returning to play Phantom in Cameron Mackintosh’s production of  Andrew Lloyd Webber’s The Phantom of the Opera in London’s West End.