Marios graduated from London’s Arts Educational Schools, with a degree in Musical Theatre.

Theatre credits include: Ensemble & Nathaniel/Messenger in Kiss Me Kate (Grand Theatre, Luxembourg); Ensemble in The War of the Worlds (Dominion Theatre, London); Ensemble & cover Subway Ghost/Willie Lopez in Ghost the Musical (Marina Bay Sands, Singapore); Willie Lopez in Ghost the Musical (English Theatre, Frankfurt); Commodore Perry & Dance Captain in Pacific Overtures (Union Theatre, London); Ensemble & cover Mike in White Christmas (Festival Theatre, Edinburgh); Swing & cover Andy Lee in 42nd Street (UK Tour); Dick Whittington (Towngate Theatre, Basildon); Edges (Landor Theatre, London); Dick Whittington (Bristol Hippodrome); Aladdin (Wyvern Theatre, Swindon); vocalist for the open-air event Christmas at The Scoop and dancer for the 2010 What’s On Stage Awards at the Prince Edward Theatre.

Additional credits include: the feature film Walking on Sunshine (Vertigo Films); a concert production of Songs From Evita; and workshop productions of Feelin’ in the Mood and For Queen and Country.