Set in turn-of-the-century London, "I'll Be Your Sweetheart" follows a young music publisher who introduces new business ideas to both songwriters and a music hall singer. Battling both fierce competitors and rampant piracy during a time when author's royalties were unprotected, he strives to make his mark in the industry. This well-crafted British musical features plenty of popular songs and showcases the vibrant atmosphere of the era. Cast: - Margaret Lockwood as Edie Story - Vic Oliver as Sam Kahn - Michael Rennie as Bob Fielding - Peter Graves as Jim Knight - Moore Marriott as George Le Brunn - Frederick Burtwell as Pacey - Garry Marsh as Wallace - George Merritt as T.P. O'Connor - Muriel George as Mrs. Le Brunn - Ella Retford as Dresser - Joss Ambler as Dugan - Eliot Makeham as John Friar - Maudie Edwards as Mrs. Jones - Jonathan Field as Kelly - Deryck Guyler as Politician - Gordon McLeod as Prime Minister - Arthur Young as Judge - Dave Crowley as 1st Henchman - Alf Goddard as 2nd Henchman - Jack Vyvian as 3rd Henchman Runtime: 104 minutes.