Myra trained at the Royal Scottish Academy of Music and Drama, University of Glasgow and École Jacques Lecoq.

Her previous work with the National Theatre of Scotland includes Home, Elizabeth Gordon Quinn, The House of Bernarda Alba, The Missing, Macbeth, Roman Bridge and Glasgow Girls.

Other recent theatre work includes The Choir (Citizens, Glasgow), Mary Queen of Scots Got Her Head Chopped Off (Communicado), Anything for a Quiet Life (Almeida), As You Like It, The Cherry Orchard (The Lyceum, Edinburgh), The Guid Sisters (Tron Theatre/Toronto Festival), Inês de Castro, Bondagers (Traverse, Edinburgh), Mamma Mia! (Prince Edward Theatre), Tartuffe (Royal Exchange, Manchester), Splendour(Paines Plough), A Christmas Carol (Chichester Festival Theatre), Le Bourgeois Gentilhomme, Square Rounds, Macbeth, Out of a House Walked a Man (National Theatre of Great Britain), The Mysteries, Everyman, The Lion, the Witch and the Wardrobe and A Winter’s Tale (Royal Shakespeare Company). Her television work includes Sweet Nothings, You’ve Never Slept in Mine, Laugh? I Nearly Paid My Licence Fee, The Killing Time, Blood Red Roses, The Steamie, Anything for a Quiet Life, Mr Charity, Jonathan Creek, Teachers, Monarch Of The Glen, Rose & Maloney, Wedding Belles and Dracula. Her film work includes Rob Roy, Made Of Honor and Mamma Mia! Her radio credits include The Burn’s Supper, Westway, The Mysteries, Mary Queen of Scots Got Her Head Chopped Off and Vanquishing The Gorbals (all for BBC Radio).