
Lyndsy Marie Fonseca is an American actress, best known for her roles as Colleen Carlton on the CBS soap opera The Young and the Restless, and Alexandra "Alex" Udinov on The CW show Nikita. She was discovered by a talent manager in San Francisco. She then relocated to Los Angeles for her first pilot season at age 13, in the middle of the school year. The following year, she landed her breakthrough role, playing Colleen Carlton on The Young and the Restless with a three-year contract. In she had a recurring role as Ted Mosby's future daughter on How I Met Your Mother and as Donna on HBO's Big Love. She starred in the 2005 Hallmark TV film Ordinary Miracles, as a 16-year-old juvenile delinquent who goes to live with a judge (Jaclyn Smith).In fall 2007, she played Dawn in the film Remember the Daze. She joined the cast of ABC's Desperate Housewives as the daughter of Katherine Mayfair (Dana Delany), a character moving onto Wisteria Lane. In 2008, she was nominated at the Screen Actors Guild Awards for Outstanding Performance by an Ensemble in a Comedy Series for Desperate Housewives (2004), shared with the cast. She played Katie Deauxma in the 2010 superhero film Kick-Ass, which also featured her Nikita co-star Xander Berkeley in the cast. She appeared in three more films in 2010, including Hot Tub Time Machine, and she was cast as new recruit Alex on the CW's Nikita. She was listed at #62 in the 2010 Maxim Hot 100 and #89 in the 2011 list.
The Love Heist
2026
Holiday Crashers
2024
Spinning Gold
2023
North to Home
2022
Turner & Hooch
2021
9-1-1: Lone Star
2020
Agent Emerson
2019
Curvature
2017
Pitch
2016
RePlay
2016
The Escort
2015
Down Dog
2015
Hoss
2015
Fort McCoy
2014
Kick-Ass 2
2013
Five
2011
The Ward
2010
Nikita
2010
Kick-Ass
2010
Heroes
2006
Dark Mind
2006
Big Love
2006
Close to Home
2005
I Do, They Don't
2005
American Dad!
2005
House
2004
Boston Public
2000














































