Mirus Alexa
Species: Protectorate
Home Planet: Dimensional Web
Appearances: The Last Mission
Actor: Elisabeth Sladen

Mirus Alexa was a Protectorate agent who infiltrated the security authority of an unnamed planet. When Solomon was acting the assassination of an unimportant catering, he was captured by the security force and was offered a deal by Mirus to undergo the estrangement programme and in-return be released.