Conversation so far:
What was Sinatra's first debut?
Las Vegas Nights.
What was his first musical film?
Anchors Aweigh.
What was another of Sinatra's musical films?
Till the Clouds Roll By.
Why did Sinatra's career slump?
he was rarely enthusiastic towards his own acting.
Were there other reasons for his career slump?
Meet Danny Wilson (1952) failed to make an impression.

Question: Who were some of the people Sinatra worked with on his films?
Self-contained rewrite: Who were some of the people Frank Sinatra worked in the films?