Conversation so far:
What was Tippi Hedren's role in the film The Birds?
Tippi Hedren portrayed the role of Melanie Daniels in The Birds.
Who was the producer of the film The Birds starring Tippi Hedren?
The Birds was produced by Alfred Hitchcock.
Was the movie The Birds starring Tippi Hedren successful?

Question: What was the movie about?
Self-contained rewrite: What was the movie The Birds about?