A Quiet Day in Belfast Andrew Angus Dalrymple's realistic portrait of a British soldier, his Irish lover and her twin sister amidst the strife of Northern Ireland. Details Casts Videos Posters Title A Quiet Day in Belfast Release Date 1974-05-17 Runtime 01 Hours 28 Minutes Genres Drama Romance Crime Production Companies Twinbay Media International Production Countries Canada Barry Foster... John Slattery... Margot Kidder... Brigit Slattery / Thelma ... Sean McCann... Peter O'Lurgan... Leo Leyden... Charlie McLarnon... Mel Tuck... Tim Horgan... Joyce Campion... Mrs. McDuatt... Sean Mulcahy... Mike Mahoney... Emmet Bergin... Jack Jameson... Donald Reynolds... Boy Heckler... David Stewart... Maj. McGinnis, VC... Anthony Parr... Mr. Collins... Gillie Fenwick... Mr. Harrowgate... Robert McKenna... Nutty Doherty... Sydney Brown... Fiddler McGinn... Gerald Crack... Nigel Godfrey... Clem Davis... Mark... Louis O'Neill... Danny O'Connell... Philip O'Sullivan... Patrick... Ronan Smith... Mike... Michael Kirby... Protestant... Desmond Ellis... Protestant... Tom Park... Protestant... Ray Whelan... Protestant... A Quiet Day In Belfast Trailer 1975 (Trailer) Original Size (500x750)