When I was a child back in the mid-fifties I saw part of a movie and it has been driving me nuts since. As I recall, and please remember, it has been a long time, the film was about a family in London. I think the father was in uniform, either military or police/civil defense. He was away when his home was bombed and he thought family was dead. The child survived but thought the father was dead. (recollection of this bit is hazy) When the child was little the father used to sing "Long long ago" by Thomas Haynes Bayly (tell me the tales that to me were so dear, long long ago, long long ago). The child wanders London hoping to find her father and the father is roaming around humming the song missing his daughter. I know this is a needle in a haystack search. The movie was on daytime TV in the '50's so it is pretty old. I saw half the movie at a neighbors house and got called home for Sunday dinner and have wanted to see the movie since. Any help or hints appreciated.