Happy Go Lovely is a 1951 British musical comedy film with Technicolor, directed by H. Bruce Humberstone and starring Vera Ellen, David Niven, and Cesar Romero. The film was made and first released in the UK, and distributed in the US by RKO Radio Pictures in 1952.

Based on the paragraph above can we conclude that "David Niven was in a movie in 1952 in the US. "?
No