Was the movie 'A Smile Is Alluring' the same person as Cao Guang in the TV series? Why do I feel like it's the same person? The character of Cao Guang in the movie and the TV series "A Smile is Beautiful" seems to be played by the same actor, so I think he is the same person. Cao Guang's character is vaguely described in the novel, but as far as I know, his image in the TV series is similar to the description in the novel. Therefore, we can think of him as Cao Guang in the novel, who acted out in the TV series.