Keep Smiling Family picnics should not be like this; bugging devices, men with X-ray eyes. Mary doesn't understand what terrifies Simon, nor the bizarre events of the next six months. Details Casts Posters Title Keep Smiling Release Date 1980-01-10 Runtime 01 Hours 23 Minutes Genres Drama TV Movie Production Companies Unknown Production Countries Stephen Moore... Simon Hulse... Morag Hood... Mary Hulse... William Morgan Sheppard... Harry Cowper... Matthew Stradling... Matthew Hulse... Victoria Goodwin... Lucy Hulse... Harriet Reynolds... Cath Cowper... John Franklyn-Robbins... Shales... Ewan Hooper... Doctor... Hugh Thomas... Tennant... Margaret Ford... Miss Postlethwaite... Peter Guinness... Police constable... Ralph Lawton... Police sergeant... Hugh Dickson... Solicitor... Alison Elliot... Girl in flat... Alastair Yates... Newscaster... Original Size (2000x3000)