Dastardly Doings At The Dolphin Pink String and Sealing Wax is directed by Robert Hamer and adapted to screen by Diana Morgan from the play written by Roland Pertweee. It stars Mervyn Johns, Googie Withers, Gordon Jackson, Jean Ireland and Sally Ann Howes. Music is by Norman Demuth and cinematography by Stanley Pavey. The wife of a pub landlord plots to rid herself of her abusive husband - roping in the innocent son of a chemist to achieve her aims. One can sometimes forget that Ealing Studios was not solely about crafty comedies, it was a production house of many genre splinters. Here they…