Second Doctor
The Second Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series "Doctor Who". He was portrayed by character actor Patrick Troughton.
Jacqueline Pearce
As well as appearing in the BBC children's programmes "Dark Season" (alongside Kate Winslet) and "Moondial", Pearce appeared in the "Doctor Who" serial "The Two Doctors" as Chessene, a bloodthirsty alien. She was associated with "Doctor Who" through her appearance in "The Fearmonger" as Sherilyn Harper, an audio drama by Big Finish Productions, and as Admiral Mettna in the webcast story "Death Comes to Time". Pearce returned once again to "Doctor Who" from 2015, this time opposite John Hurt, as a regular in the Big Finish audio series based on the adventures of the War Doctor, portraying Cardinal Ollistra, a leader of the Time Lords in the Time War who often clashes with the Eighth Doctor and the War Doctor over how far the Time Lords should be willing to go to achieve victory.