Archana Pawar
From Tardis Wiki, the free Doctor Who reference
Archana Pawar, also known as Archie, was looking for her missing boyfriend Paul Carter. She asked the First Doctor if he had seen him. She teamed up with the Doctor and Daniel De'ath to discover what had taken Paul. She volunteered to be affected by the demon song in order to lead them to the demon. (AUDIO:The Demon Song)