In How I Met Your Mother Series :
In real life:
Lyndsy Marie Fonseca (born January 7, 1987 in Oakland, California) is an American actress and model.

She is best known for playing the role of Colleen Carlton in the television series, The Young and the Restless (2001-2005), the role of Alexandra "Alex" Udinov in the action series Nikita (2010-2013) then for that of Angie Martinelli in the Marvel Agent Carter series (2015-2016).
Age : old.
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