Valerie Tian(born April 21, 1989) is aCanadianactress. She is known for her role as Su-Chin inJuno. Tian auditioned for Canadian director Mina Shum in the summer of 2001, while Shum was casting forLong 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 movieWake of Death. She also had a cameo appearance inThe Sisterhood of the Traveling Pants, and leading roles in theWake of Deathand the short film,Chika's Bird. She also appeared as anXkid inX2andX-Men United, and as an elf in Disney’sSanta 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.".