Following its successful premiere at the Bristol Old Vic in 2016 Marc's musical THE GRINNING MAN, co-written with Tim Phillips and Carl Grose, transferred to the West End's Trafalgar Studios in December 2017 (dir. Tom Morris).
His musical BADDIES, co-written with Nancy Harris, premiered at the Unicorn Theatre in November 2015 and was nominated for an Off West End Award for Best Production for Young People (dir. Purni Morell).
Original musicals currently in development for the National Theatre are THE CIRCLE (dir. Michael Boyd) with Tim Phillips and GHOST MAP (dir. Bijan Sheibani) with Ryan Craig and Glyn Maxwell. Marc is also developing HONEYFLY for the Soho Theatre with Phil Porter and THE MAGICIAN'S ELEPHANT for the Royal Shakespeare Company with Nancy Harris.
For the Royal Opera House Marc created STUCK ON A SUNDAY with Jason Morell and Timothy Walker (an animated opera film made with the support of the BFI) and TWITTERDÄMMERUNG with Helen Porter, winner of the Guardian Innovation Award.
Marc has had music featured in GAME OF THRONES, AMERICAN HORROR STORY and currently has a musical television series in the works with Tim Phillips.
Marc wrote the soundtrack for the feature horror BEACON 77 (dir. Brad Watson) and for his work on the animated film HEARTS he was nominated for the Berlin Film Festival’s VW Soundtrack Award (dir. Thomas Strueck). His soundtrack to the animated film MISSING won the Best Music for an Animated Film at the Berlin Independent Film Festival (dir. Cristian Wiesenfeld). Marc has recently written the music for Marina Waltz's multi-award winning art films SUICIDE NOTE, PRIVATE WALTZ and QUERCUS.
Scores for plays includes THE RED SHOES for the Gate Theatre in Dublin (dir. Selina Cartmell), BLOOD & GIFTS at the National Theatre (dir. Howard Davies), GIVING at the Hampstead Theatre (dir. Bijan Sheibani), ADOT for the Royal Albert Hall, DOES MY SOCIETY LOOK BIG IN THIS? at the Bristol Old Vic (dir. Tom Morris) and THE SECRET AGENT at the Young Vic (dir. Joseph Alford).