Main Characters
Tv Host, Historian
40 main appearances
Presenter
28 main appearances
Recurring Guest Characters
Austin Rogers
13 guest appearances
Journalist
10 guest appearances
Historian
9 guest appearances
Science Writer
5 guest appearances
TV Host
4 guest appearances
David O'Keefe
3 guest appearances
UK Ministry of Defense, Retired
3 guest appearances
Zoologist
2 guest appearances
Broadcaster
1 guest appearances
Physicist
1 guest appearances