 Dalrymple returned to documentary filmmaking with Jennings with "Family Portrait" (1950) and "The Changing Face of Europe" (1951) but Jennings then died in an accident.He had a critical success with "The Heart of the Matter" (1953) starring Trevor Howard.It was followed by "Three Cases of Murder" (1955), a horror anthology, and "Raising a Riot" (1955), a Kenneth More comedy directed by Wendy Toye which was a big success.