Would any reasonable person use “man” to refer to a woman? No.

Would any reasonable person use “boy” to refer to a girl? No.

Would any reasonable person use “king” to refer to a queen? No.

Would any reasonable person use “headmaster” to refer to a headmistress? No.

Would any reasonable person use “waiter” to refer to a waitress? No.

So, who in their right mind uses “actor” to refer to an actress?