Conversation so far:
When did Ronald Reagan appear on the radio and film?
After graduating from Eureka in 1932, Ronald Reagan took jobs in Iowa as a radio announcer at several stations.
Are there any other interesting aspects about Ronald Reagan 's radio work besides taking jobs in Iowa as a radio announcer?
While traveling with the Cubs in California in 1937, Ronald Reagan took a screen test that led to a seven-year contract with Warner Brothers studios.
What was Ronald Reagan's seven-year contract for?
Ronald Reagan's seven-year contract was to work with Warner Brothers studios in 1937.

Question: what films was he in?
Self-contained rewrite: What films was Ronald Reagan in?