Conversation so far:
What was Genelia debut film?
When Genelia was offered a role in Tujhe Meri Kasam.
What was the name of her character in that film?
decided to cast her in a leading role in his 2003 Tamil film Boys.

Question: Who decided to cast her in this leading role in 2003?
Self-contained rewrite: Who decided to cast Genelia D'Souza in the leading role in the Tamil film Boys in 2003?