Gaumont Pictures, Diamond Entertainment Corporation, TGG Direct ; produced by Michael Balcon, Ivor Montagu ; screenplay by Charles Bennett, Ian Hay, Alma Reville ; directed by Alfred Hitchcock
Gaumont British Picture Corpn. Ltd. presents ; by Charles Bennett and D.B. Wyndham Lewis ; scenario, Edwin Greenwood & A.R. Rawlinson ; produced by Michael Balcon ; directed by Alfred Hitchcock
Janus Films ; ITV Studios Global Entertainment ; Gaumont-British Picture Corporation, Ltd. presents ; directed by Alfred Hitchcock ; adaptation, Charles Bennett