Chris O'Donnell is an American actor best known for his roles in popular films and television series. He gained fame in the 1990s with movies like Scent of a Woman and Batman & Robin, where he portrayed iconic characters that showcased his talent and charisma. In addition to his film career, O'Donnell has also made a significant impact on television, particularly with his role as G. Callen in the long-running series NCIS: Los Angeles. His versatility as an actor has allowed him to thrive in both dramatic and action-packed roles, earning him a dedicated fan base.