Valerie Tian (born April 21, 1989) is a Canadian actress. She is known for her role as Su-Chin in Juno. Tian auditioned for Canadian director Mina Shum in the summer of 2001, while Shum was casting for Long Life, Happiness and Prosperity, and won the leading role of Mindy Ho. The film premiered at the Toronto International Film Festival in 2002, and was shown at the Sundance Film Festival and LA Asian American Film Festival in 2003. In 2004, she played alongside Jean-Claude Van Damme in the action movie Wake of Death. She also had a cameo appearance inThe Sisterhood of the Traveling Pants, and leading roles in the Wake of Death and the short film, Chika's Bird. She also appeared as an X kid in X2 and X-Men United, and as an elf in Disney’s Santa Clause 2. Tian was a series regular on the Warner Brothers' television series, Black Sash, and appeared in a cameo role in the ABC seriesThe Days. She is currently a series regular on the CTV series, "Motive."

Percy Jackson & the Olympians: The Lightning Thief
2010 · as Cute Girl

Fantastic Four: Rise of the Silver Surfer
2007 · as New York Teen Girl #1

21 Jump Street
2012 · as Burns

Jennifer's Body
2009 · as Chastity

Juno
2007 · as Su-Chin

Drillbit Taylor
2008 · as Brooke

The Santa Clause 2
2002 · as Elf (uncredited)

Even Lambs Have Teeth
2015 · as Mandy

Charlie St. Cloud
2010 · as Girl in Toy Store

The Sisterhood of the Traveling Pants
2005 · as Interview Girl #1

Wake of Death
2004 · as Kim

The Boy Who Cried Werewolf
2010 · as Debbie

Triple Dog
2010 · as Kayla

Words and Pictures
2014 · as Emily

A.C.O.D.
2013 · as Kieko

Come and Find Me
2016 · as Student

The Moth Diaries
2011 · as Charlie

Bob the Butler
2005 · as Sophie