Mark began his career in the cabaret clubs. His innovative and creative routines brought him instant success and resulted in Mark winning the Daily Mirror’s young entertainer of the year award in 1988 with Lenny Henry winning Best Comedian.
Marks First TV appearance soon followed, His television debut was as an Impressionist on Live from the Palladium (LWT) along side the Copy Cats Team with whom he was filming the TV series Copy Cats, again for London Weekend Television. He made such an impact he was offered his own solo spot in the next two series of Live from, and followed it up with an appearance on Best Of The London Palladium, which lead to more performances on TV shows such as Summertime Special (ITV), Seaside Special (BBC), Tarbuck after Ten (ITV), You Bet (ITV) and Blankety Blank (BBC), to name a few.
Mark then became a regular on The Les Dennis Laughter Show for BBC1, appearing in two series and one Christmas Special before Landing his own game show on ITV Called Steal which generated an audience of 8 million at its peak.
Then with TV companies suspending the making of new TV shows during the franchising of ITV, Mark ventured into musical Theatre and straight away made his debut in the west-end Landing the part of Greaseball in Andrew Lloyd-Webber’s Starlight Express. Following that he tried music with a four-year spell touring and performing at major European rock festivals, as Lead-Singer with his band Fahrenheit, supporting such bands as Faith no More, Blur, Carlos Santana and Toto.
Mark returned to his roots as a solo performer and set sail towards the London Comedy circuit. He has also kept his Theatre career going by Playing the leading Role Of Ric Along side Kid Creole in the Hugely Successful Musical, Oh! What a Night. Which debuted at The Blackpool Opera House before transferring to Londons West End.
2005 saw Mark back on TV presenting Britains Wildest, For Sky One and appearing on Superbike School with 5 times British Champion James Wittham.
Mark has been working extensively as a headline Comedian on the Comedy circuit, and as a Corporate Entertainer. His versatility sees him performing from P&O Carnival Cruises, to The British troops in Afghanistan and Iraq.
Three Weeks said "natural entertainer, born comedian, great fun"
suchsmallportions said "bundle of hyperactive comedy mayhem"
British Comedy Guide said "Walker is a force of nature"
Fest said "Very, very Funny"
The Independent said "Vein-popping intensity, clearly born to entertain"
Chortle said "more than a touch of rock-and-roll showmanship, and a charismatic, commanding presence that hijacks his audience's attention"