Marcus graduated from the London Centre for Theatre Studies in 2002 and made his professional debut in Anyone Can Whistle at the Bridewell Theatre in 2003. After a sabbatical, he returned to acting in 2009 being cast as Macduff in Struts and Frets Macbeth at the Atrix Bromsgrove. His recent work in theatre includes: War Horse (National Theatre); The Convert (Gate Theatre);The Suicide (The National Theatre); Backseat Drivers (The London Theatre); Keeler (The Charing Cross Theatre); Macbeth (The Last Refuge Theatre); The Chicago Cowboy (Rosemary Branch Theatre); The Comedy of Errors (The National Theatre); Twelfth Night (The Nursery Theatre); Keeping Mum, 1867 and A Christmas Carol at The Brockley Jack Theatre and The Children of Salt which debuted at the Alma Theatre Bristol.
Lloyd’s TV credits include: Scott and Bailey (ITV), Father Figure (BBC) and Doctors (BBC).