Bradley Walsh is a British actor, television presenter, and comedian, best known for his work on various television shows. He gained fame as the host of the popular quiz show The Chase, where contestants compete against a professional quizzer. Walsh has also appeared in several television dramas, including his role as Graham O'Brien in the long-running science fiction series Doctor Who. In addition to his television career, Walsh has a background in music and has released albums showcasing his singing talent. He has also starred in stage productions and has a reputation for his engaging personality and humor, making him a beloved figure in British entertainment.