Conversation so far:
What was Vivien Leigh like when she was young?
At age 6, Vivien Leigh expressed her desire to become a great actress to Maureen O'Sullivan, one of her friends at the Convent of the Sacred Heart.
Was Vivien Leigh a happy child?
When did Vivien Leigh begin acting?
Vivien Leigh saw O'Sullivan's film A Connecticut Yankee, and told her parents she wanted to become an actress. Her father enrolled her at the London Royal Academy of Dramatic Art.

Question: When was her debut?
Self-contained rewrite: When was Viven Leigh's fil, debut?