Original: Whedon, Firefly Companion, Vol 1, 114 Sean Maher recalls reading for the part and liking the character of Simon Tam, but that it was Whedon's personality and vision that "sealed the deal" for him.
Simplified: Whedon, Firefly Companion, Vol 1, 114 Sean Maher remembers reading for the part and liking the character of Simon Tam. He said it was Whedon's personality and vision that "sealed the deal" for him.