Martin has been a member of Ghosts for 8 years, and has appeared in Return to the Forbidden Planet, Lola, Blondel, Canterbury Tales and Guys & Dolls, and is a regular performer in the choral concerts. He also appeared in Woking Amateur Operatic Society's How to Succeed in Business Without Really Trying.

Martin began his theatre involvement in Chesham, where he co-founded a theatre company and, amongst other shows, directed two sell-out productions of Godspell. During the day, Martin designs spacecraft navigation systems at Surrey Satellite Technology Ltd, based at Surrey University.