Samantha Mercer trained at Cambridge University and The Royal Academy of Music.

West End credits include Forbidden Broadway at the Menier Chocolate Factory, Les Misérables (Queen's Theatre), Jerry Springer - The Opera (Royal National Theatre & Cambridge Theatre), as part of the Olivier award winning ensemble, and A Homage Behind (The Criterion). Other theatre credits include Little Voice in The Rise and Fall of Little Voice (Tour), A Night with the Stars (The Quay Theatre), Les Misérables 25th Anniversary Concert (O2 Arena), Brenda in The Witches of Eastwick (National Tour), the title role in The Girl in the Frame (The Bridewell Theatre), Aspects of Love (Theatre Royal, Lincoln), Ragtime and Carousel (The Cardiff Festival), Sara Jane Moore in Assassins (Edinburgh Fringe), The Owl House (The Bridewell Theatre), Dolores/Jeannie in The Sacred Flame (The Clore Studio), The Merry Widow (Opera Holland Park) and Lady Bona in Henry VI part III at HMP Pentonville.

Samantha is a member of The London Shakespeare Workout and has also toured the UK and abroad as the singer in a 20 piece jazz band. TV credits include Doctors and Casualty for the BBC. Recording credits include the film soundtrack for The Sin Eater and the original cast album of Jerry Springer The Opera.

Currently entertaining audiences on the high seas with her one woman shows, Samantha is performing for P&O on the Aurora, Oriana, Arcadia, Azura and Oceana.