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.
Jack Watling
His reputation as an effective and reliable television actor took root in the early 1960s. Between 1964–69 he was Don Henderson, the troubled conscience to tough businessman John Wilder (Patrick Wymark) in "The Plane Makers" and its sequel "The Power Game". Watling also appeared as Doc Saxon in the 1970s series "Pathfinders". He played Professor Edward Travers in the BBC science-fiction television series "Doctor Who" in the serials "The Abominable Snowmen" (1967) and "The Web of Fear" (1968), both of which also featuring his daughter Deborah Watling as the Second Doctor's companion Victoria Waterfield. He reprised the role decades later in the independent "Doctor Who" spin-off video "Downtime" (1995).