According to Wikipedia,
Christopher Eugene O'Donnell is an American actor and former model. He played Charlie Sims in Scent of a Woman, Chris Reece in School Ties, D'Artagnan in The Three Musketeers, Jack Foley in the drama film Circle of Friends, Dick Grayson/Robin in Batman Forever and Batman & Robin, Jason Brown in Robert Altman's Cookie's Fortune, Peter Garrett in Vertical Limit, and Wardell Pomeroy in Kinsey. O'Donnell stars as special Agent G. Callen on the CBS crime drama television series NCIS: Los Angeles, a spin-off of NCIS.
Chris O'Donnell is affiliated with the following schools: