The Informer is a 1935 dramatic film, released by RKO. The plot concerns the underside of the Irish War of Independence, set in 1920. It stars Victor McLaglen, Heather Angel, Preston Foster, Margot Grahame, Wallace Ford, Una O'Connor and J. M. Kerrigan. The screenplay was written by Dudley Nichols from the novel The Informer by Liam O'Flaherty. It was directed by John Ford. The novel had previously been adapted for a British film The Informer (1929).