| Cast |
| Nova Annable |
Crew Guy (Automat featurette)
|
| Johnny Banta |
Himself (Van Ling featurette)
|
| Rufus Bennett |
Himself (Automat featurette)
|
| Omar D. Brancato |
Himself (Automat featurette)
|
| Bob Burns |
Himself (archivist) (Sharpline Arts featurette)
|
| Kevin Clark |
Himself (Behind the Behind the Scenes featurette)
|
| David Crowther |
Himself (Behind the Behind the Scenes featurette)
|
| Charles de Lauzirika |
Himself (Behind the Behind the Scenes featurette)
|
| Lauryl Duplechan |
Herself (Van Ling featurette)
|
| David C. Fein |
Himself (Sharpline Arts featurette)
|
| Bill Nye |
Narrator / Host
|
| Paul Bugelski |
Johannes Keppler
|
| Jim Choate |
Copernicus' Priest
|
| Kathryn Coombs |
Barbara McClintock
|
| Sam Edens |
Sir Isaac Newton
|
| Rob Gibson |
Henri Becquerel
|
| Ron Hawkins |
Wilhelm Roentgen
|
| Kevin Hershberger |
Dr. Jones
|
| Kathryn Kent |
Mrs. Roentgen
|
| Ben Kullman |
Galileo Galilei
|
| Ed Mantell |
18th Century Graverobber
|
| Bill McIntosh |
Copernicus
|
| Daniel McMichael |
Charles Darwin
|
| Buzz Mooney |
1820s surgery attendant
|
| Austin Murray |
Sir Humphrey Davy
|