The Adventures of PC 49 is a 1949 British crime film directed by Godfrey Grayson and starring Hugh Latimer, John Penrose and . It is also known by the subtitle Investigating the Case of the Guardian Angel. The film was based on a popular radio series. It was followed by a sequel A Case for PC 49 in 1951. There were six children's annuals full of stories of PC 49, as well as an annual reprinting of his strips in the Eagle comics.