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.
2024
as Toni
2024
as Carrie
2024
as Lolly
2023
as Addy
2023
as Joyce Biawitz
2022
as Posy
2021
as Angie
2021
as Laura Turner
2020
as Amy Thompson
2020
as Iris Blake
2019
as Alexandra Emerson
2017
as Helen
2017
as Juno Bradley
2016
as Cara
2016
as Danielle
2016
as Allison Lee
2015
as Natalie
2015
as Winter
2015
as Angie Martinelli
2015
as Burke
2014
as Anna Gerkey
2013
as Katie Deauxma
2011
as Cheyanne
2010
as Iris
2010
as Alex Udinov
2010
as Jennie
2010
as Katie Deauxma
2008
as Dawn
2006
as April
2006
as Jenny
2006
2005
2005
as Daughter
2005
as Amy
2005
as Sandy Barber
2005
as Skater (voice)
2005
as Sally Powell
2004
as Addie
2004
as Dylan Mayfair
2000
as Jenn Cardell
2000
as Megan Cooper
2000
as Olivia