Liam Neeson returned to work on the Toronto set of his film Chloe, which co-stars Julianne Moore, on Monday. Neeson's wife Natasha Richardson died on March 18 after suffering brain trauma from a freak skiing fall on a beginner's slope on March 16. Richardson was buried last week near her home in upstate New York. Richardson's half-sister, Joely Richardson, went back to work on her new film last week. (Photo: WENN)