Marsha Lisa Thomason is an English actress who is known in the United States for playing Nessa Holt in the first two seasons of the NBC series Las Vegas, for her recurring role on ABC's Lost as Naomi Dorrit, and for playing FBI agent Diana Berrigan on USA Network's White Collar. Thomason was born in Moston, Manchester, the daughter of Phyllis , a Jamaican electronics company employee and Peter Thomason, who worked in politics. She attended Holy Trinity Primary School in Blackley and North Manchester High School for Girls, before attending Oldham Sixth Form College to study for A levels in... Media Studies, Theatre Studies and Performing Arts. Thomason attended the Manchester Metropolitan University, receiving a Bachelor of Arts degree in English. From the age of 13, Marsha attended Oldham Theatre Workshop where she was able to participate within youth theatre productions which would later contribute in her confidence towards becoming an aspiring professional actress. Thomason first came to prominence on British television in the series Playing the Field and Where The Heart Is, as well as in the first series of the BBC Three drama Burn It.
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