Conversation so far:
What happened in 1961 with Tippi Hedren?
On October 13, 1961, Tippi Hedren received a call from an agent who told her a producer was interested in working with her.
Who called Tippi Hedren in 1961?
An agent from a producer.
Then what happened with Tipi Hedren after the call?
When the agent told Tippi Hedren the producer was Alfred Hitchcock, she agreed to sign a seven-year contract.

Question: What movies did they make together?
Self-contained rewrite: What movies did Tippi Hedren and Alfred Hitchcock make together?