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.

Question: Who was her agent during this time?
Self-contained rewrite: Who was Joan Leslie's agent during the Camille role?