Mysterious Man

From TARDIS Index File, the free Doctor Who reference.

The Mysterious Man
Also known as:
Race:	Human
Home Planet:	Earth
Home Era:	2000s
Appearances:	DW: The Lazarus Experiment
Actor:	Bertie Carvel

The "Mysterious Man" was an agent of "Harold Saxon" who oversaw Saxon's good friend, Richard Lazarus's experiment to make himself younger. He persuaded Francine Jones that she should not trust the Doctor. (DW: The Lazarus Experiment) This decision led to Francine's decision to let another one of Saxon's agents track the Doctor's whereabouts. (DW: 42)