Conversation so far:
What is an example of one of Joan's early roles?
Camille.
What year did she play the role of Camille?
a romantic drama starring Greta Garbo and Robert Taylor.
She played Taylor's younger sister Marie Jeanette.
Did she have trouble getting roles?
CANNOTANSWER.
Who was her agent during this time?
In 1936, Leslie caught the attention of a talent scout from Metro-Goldwyn-Mayer (MGM.

Question: What other actors or actresses did she work with in her early career?
Self-contained rewrite: What other actors or actresses, other than in Camille, did Joan Leslie work with in her early career?