Marlain Angelides was born in Nicosia, Cyprus on 6 September 1978 to a Cypriot-born father of mainland Greek origin and a mother of half-Scottish and half-Cypriot descent.
Angelides has taken part in a number of Cypriot pre-selections to the Eurovision Song Contest, namely in 1998, 1999, 2008, and 2009 and was successful in winning and representing Cyprus in 1999.
Her last participation in the Cypriot pre-selection for the Eurovision was in 2009 when her hard rock titled "Mr Do Right One Night Stand" performed by Marlain and The Diesel Sisters placed seventh.
In 2003, she took part in the Greek television contest Pop Stars, winning one of the five spots in a teen girl's group that was to be formed on the basis of the show's outcome.
From 2005 to 2008, Marlain then continued singing rock with various bands in clubs and festivals around Greece, namely Volume (Christophoros Chrokides, Stephanos Demetriou, Dimitris Frosinis) and Dickens’ Zoo.
Being a fan of cartoons, Marlain also lends her voice regularly to cartoon voice-over translations for Disney and DreamWorks playing a variety of characters from Mulan in Mulan II, to Lady Bug in James and the Giant Peach, the Soul Singer in Kronk's New Groove, Rita the Dog in Oliver & Company, the country-western singer Dixie dubbing the voice of Reba McEntire in Fox and the Hound 2, and many others.