I'm glad I've been able to track this film down. I saw it as a schoolboy, with a crush on both June Thorburn and Kay Kendall. Looked at now it may seem a bit dated, after all which hotels operate a "married couples only" policy these days, but it was the sort of film I like, it entertained, didn't preach or moralise and carried no "message." It should be shown on terrestrial TV, soon please.
Brian Reece was PC49 on radio. He was the typical slightly upper middle-class gent. I had forgotten Stanley Holloway and all those other fine British stars were in it, such was the strength of Kay Kendall. She was gorgeous, as usual, and beautifully played the "other woman." As stated elsewhere she had her hubby jumping through hoops in no time. And of course once all the misunderstandings were cleared up everyone lived happily ever after. Poor Brian Reece had to put up with delicious June Thorburn, it's a hard life but someone had to do it!