Gary Oldman recently featured on "The Drew Barrymore Show" and conveyed his appreciation for the "Harry Potter" and "Batman" film franchises, acknowledging them for revitalizing his career and personal life. Before landing the roles of Sirius Black and James "Jim" Gordon, Oldman faced a decline in acting opportunities. These iconic roles not only made him a beloved figure among genre fans but also injected newfound star power into his career.