Jayne Kadett

Jayne Kadett was a female human investigator from Earth. She met the Tenth Doctor on a beach. Immediately after this meeting they were kidnapped by Cybermen who had been resurrected by a scientist who had found the Torchwood Institute files on Cyber-conversion. After she had helped the Doctor defeat them, he offered her a chance to travel with him, but she turned it down. (DWBIT: The Power of the Cybermen, Drones of Doom, Enemy Mine, Time of the Cybermen)