Worth it for the post-war background. The 50s "New Look" hadn't happened yet and all the girls have big hair and big shoulders - much more flattering than the 50s fashions that made everyone look middle-aged.
Richard Attenborough and Sheila Sim are likeable. They get involved in investigating the murder of their friend, a young, dashing Bill Owen.
It's a shame Diana Dors wasn't credited. She was good in her early roles - she turns up in another dance hall with Petula Clark and Bonar Colleano. I think she was dubbed in both films, though.
To the gentleman who thought it terribly rude that some other bloke could just grab your partner - it was called an "excuse me" dance. There was also a "ladies excuse me". This is not a regular Palais de Dance, however - the girls are all professional hostesses.