About Lyndsy Fonseca:
Lyndsy Marie Fonseca is an American actress. She is known for portraying Colleen Carlton on the CBS soap opera The Young and the Restless (2001–05), Ted's daughter on How I Met Your Mother (2005–14), and Alexandra "Alex" Udinov on The CW's hit show Nikita (2010–13). Starting in 2015, she had a recurring role on Marvel's Agent Carter as Angie Martinelli.