In Cornwall in 1819, a young woman discovers that she's living near a gang of criminals who arrange shipwrecks for profit. Directed by Alfred Hitchcock Writing Credits Sidney Gilliat ... (screen play) & Joan Harrison ... (screen play) Sidney Gilliat ... (dialogue) Alma Reville ... (continuity) J.B. Priestley ... (additional dialogue) Daphne Du Maurier ... (novel) (uncredited) Cast (in credits order) Charles Laughton ... Sir Humphrey Pengallan Horace Hodges ... dges ... Chadwick - Sir Humphrey's Butler Maureen O'Hara ... Mary Yellan Hay Petrie ... Sam - Sir Humphrey's Groom Frederick Piper ... Davis - Sir Humphrey's Agent Emlyn Williams ... Harry the Peddler - Sir Humphrey's Gang Herbert Lomas ... Dowland - Sir Humphrey's Tenant Clare Greet ... Granny Tremarney - Sir Humphrey's Tenant William Devlin ... Burdkin - Sir Humphrey's Tenant Jeanne De Casalis ... Sir Humphrey's Friend (as Jeanne de Casalis) Mabel Terry-Lewis ... Lady Beston - Sir Humphrey's Friend (as Mabel Terry Lewis) A. Bromley Davenport ... Ringwood - Sir Humphrey's Friend (as Bromley Davenport) George Curzon ... Captain Murray - Sir Humphrey's Friend Basil Radford ... Lord George - Sir Humphrey's Friend Leslie Banks ... Joss Merlyn Marie Ney ... Patience Merlyn Wylie Watson ... Salvation Watkins - Sir Humphrey's Gang Morland Graham ... Sea Lawyer Sydney - Sir Humphrey's Gang Edwin Greenwood ... Dandy - Sir Humphrey's Gang Mervyn Johns ... Thomas - Sir Humphrey's Gang Stephen Haggard ... Willie Penhale - Sir Humphrey's Gang Robert Newton ... Jem Trehearne - Sir Humphrey's Gang