Question: The 2010 American post-apocalyptic thriller film Vanishing on 7th Street stars which Canadian actor and producer who began his career on Canadian television at a young age and appeared in "Life as a House" (2001)?
Sentence (from "Hayden Christensen"): He began his career on Canadian television at the age of 13, then diversified into American television in the late 1990s.
Relevant evidence: Yes