Originally from the West Country, Marcus grew up in and around Bath.
Following a degree in Psychology, a PGCE and a year lecturing A-level and BTEC Marcus began his training as an actor in earnest at The Royal Welsh College of Music and Drama.

Since graduating in 2001 Marcus has enjoyed a diverse career grounded mainly in theatre with occasional forays into television and short film. Some of his credits include Tom Ripley in The Talented Mr Ripley, Col. Brandon in Sense and Sensibility, Henry Pulling in Travels with My Aunt (2010 Queen's Theatre, Honchurch) Jack Manningham in Gaslight, Gerry in The Murder Game and Mark Driscoll in Dangerous Obsession (All Wolverhampton Grand) Macduff in Macbeth (Bamburg English Theatre and UK & German Tour) Maurice Mullins in A Murder has been Arranged, The Mummy’s Tomb, Sleeping Beauty, Blighted, Dick Whittington and Around the World in 80 Days (All Queen's Theatre, Hornchurch) Little John in Robin Hood (Greenwich Theatre) Berowne in Love's Labours Lost and Fenton in Merry Wives of Windsor (European Tours) Love, Lust and Loss (BAC) Theseus in Theseus and the Minotaur (Redbridge Drama Centre and tour) Loyalties (Finborough Theatre).Liam (lead) in Breathing Space (BBC Wales) Father (lead) To my Mother and Father (Ne'er Do Well Films) Mike (lead) A Feast of Friends (Blank Canvas)