Secrets of a Door to Door Salesman (1973)

British sex comedy starring Brendan Price as a Scottish fisherman who decides to leave his homeland to seek his fortune in London. There he finds lodging in a girls' boarding house and takes a job as a door-to-door salesman - a job that literally opens the door to all kinds of sexual encounters.

Director: Wolf Rilla
Writers: Suzanne Mercer (screenplay), Stanley A. Long
Stars: Brendan Price, Karen Boyes, Steve Patterson, Jean Harrington, Chic Murray