Series Cast 50

1. 

   Derek Waters

   Himself - Host / Various Characters (13 Episodes), C.S. Forester (1 Episode)

2. 

   Colin Hanks

   Gordon Cooper (1 Episode), Ernest Thompson Seton (1 Episode)

3. 

   Jason Ritter

   Robert Wilson (1 Episode), Elisha Gray (1 Episode)

4. 

   Alia Shawkat

   Virginia Hall (1 Episode)

5. 

   Will Ferrell

   Roald Dahl (1 Episode)

6. 

   Octavia Spencer

   Harriet Tubman (1 Episode)

7. 

   Maestro Harrell

   Louis Armstrong (1 Episode)

8. 

   Andre Royo

   King Oliver (1 Episode)

9. 

   Jason Momoa

   Jean Lafitte (1 Episode)

10. 

    Jack McBrayer

    General Andrew Jackson (1 Episode)

11. 

    Maya Rudolph

    Griselda Blanco (1 Episode)

12. 

    Johnny Knoxville

    Ponce De Leon (1 Episode)

13. 

    Josh Hartnett

    Clark Gable (1 Episode)

14. 

    Justin Long

    Arno Penzias (1 Episode)

15. 

    Stephen Merchant

    F**kin' President Lincoln (1 Episode)

16. 

    Greg Kinnear

    Thaddeus Lowe (1 Episode)

17. 

    Christopher Meloni

    Othniel Marsh (1 Episode)

18. Tess Lynch

    Herself - Storyteller (1 Episode)

19. 

    Mark Proksch

    Himself - Storyteller (1 Episode)

20. 

    Jenny Slate

    Herself - Storyteller (1 Episode)

21. 

    Jaleel White

    Bass Reeves (1 Episode)

22. 

    Kat Dennings

    Kentucky Daisey (1 Episode)

23. 

    Ellie Kemper

    Nellie Bly (1 Episode)

24. 

    Haley Joel Osment

    Kid Blink (1 Episode)

25. 

    Noah Wyle

    Thomas Nast (1 Episode)

26. 

    Jason Alexander

    William Tweed (1 Episode)

27. 

    Michael Cera

    Maurice Cohen (1 Episode)

28. 

    Natasha Leggero

    Elizabeth Bisland (1 Episode)

29. 

    Zach Woods

    Lee Duncan (1 Episode)

30. 

    Ryan Phillippe

    Benjamin Hayes (1 Episode)

31. 

    Giancarlo Esposito

    Andrés Pico (1 Episode)

32. 

    Jack Black

    William Mulholland (1 Episode)

33. 

    Jason Mantzoukas

    Pope (1 Episode)

34. 

    Rob Huebel

    Governor Trevino (1 Episode)

35. 

    Patton Oswalt

    Mac Brazel (1 Episode)

36. 

    Thomas Lennon

    Major Marcel (1 Episode)

37. 

    Parker Posey

    Mary Phelps Jacob (1 Episode)

38. 

    Chris Parnell

    Thomas Edison (1 Episode)

39. 

    Henry Winkler

    Zenas Fisk Wilber (1 Episode)

40. 

    Michael McKean

    Carl Laemmle (1 Episode)

41. 

    Sam Rockwell

    Bugsy Siegal (1 Episode)

42. 

    Donald Faison

    Joe Louis (1 Episode)

43. 

    Dennis Quaid

    Lucky Luciano (1 Episode)

44. 

    Paul Scheer

    Carl Sagan (1 Episode)

45. 

    Nathan Fillion

    Wernher von Braun (1 Episode)

46. 

    Chelsea Peretti

    Ann Druyan (1 Episode)

47. 

    Adam Devine

    Pavel Belyayev (1 Episode)

48. 

    Blake Anderson

    Alexey Leonov (1 Episode)

49. 

    Tony Hale

    Edward Cope (1 Episode)

50. 

    Anton Starkman

    — (1 Episode)

Series Crew 1