Mary trained at the Guildford School of Acting and the Arts Educational School, Tring.
Her previous credits at Shakespeare's Globe include: All's Well That Ends Well, Henry VIII and Anne Boleyn.
Her other theatre credits include: Inherit the Wind (The Old Vic); Merry Wives - the Musical (RSC, Stratford); Avenue Q (Noël Coward); Les Misérables (Queen's Theatre); Two Cities (Salisbury Playhouse); Grease (UK tour); Our House (Cambridge Theatre) and Dick Whittington (Buxton Opera House).
Her concept credits include: Musical Memories of Stage and Screen (Queen's Theatre); Toys (Jermyn St Theatre); original soundtrack of Merry Wives -the Musical (RSC) and Nursery Rhymes (Orchard, USA).
Her television credits include: Stories (BBC), The Eternal Not and Our House (BBC).