Conversation so far:
How did Hedy Lamarr start her acting career?
Still using her maiden name of Hedy Kiesler, she took acting classes in Vienna. One day she was hired at the age of 16 as a script girl.
What film was Hedy Lamarr's start?
Hedy Lamarr gained a role as an extra in Money on the Street (1930), and then a small speaking part in Storm in a Water Glass (1931).

Question: Was she the leading role?
Self-contained rewrite: Was Hedy Lamarr the leading role in her first film, Money on the Street?