
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.

Angie
Next Stop, Christmas

Dawn
Remember the Daze

Jennie
Hot Tub Time Machine

Katie Deauxma
Kick-Ass

Joyce Biawitz
Spinning Gold

Posy
North to Home

Amy
Cyber Seduction: His Secret Life

Iris
The Ward

Jenny
Intellectual Property

Burke
Hoss

Cheyanne
Five

Katie Deauxma
Kick-Ass 2

Sally Powell
Ordinary Miracles

Addy
Where Are You, Christmas?

Juno Bradley
The Haunted

Sandy Barber
I Do, They Don't

Anna Gerkey
Fort McCoy

Winter
Down Dog

Natalie
The Escort

Danielle
Moments of Clarity

Lolly
The Magic of Lemon Drops

Helen
Curvature

Alexandra Emerson
Agent Emerson

Amy Thompson
You Can't Take My Daughter

Toni
Holiday Crashers

Carrie
The Girl Who Wasn't Dead

Don't Move

Izzy Moore
What It’s Like to Be Okay

Nell Duke
Single on the 25th
Known For
Acting
Known Credits
29
Gender
Female
Birthday
1987-01-07
Place of Birth
Oakland - California - USA
Also Known As
Lyndsy Marie Fonseca