| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Dannah Feinglass Phirman | Crew | Writing | Writer | 2 |
 David P. Smith | Crew | Directing | Director | 4 |
 John P. McCann | Crew | Writing | Writer | 2 |
 John Sanford | Crew | Directing | Director | 16 |
 Marco Schnabel | Crew | Writing | Writer | 15 |
 Paul Rugg | Crew | Writing | Writer | 1 |
 Ted Key | Crew | Writing | Characters | 52 |
Ania O'Hare | Crew | Production | Casting | 52 |
 Mike Bell | Crew | Directing | Director | 13 |
Miles Thompson | Crew | Directing | Director | 9 |
Eric Acosta | Crew | Writing | Writer | 1 |
Greg Miller | Crew | Directing | Director | 14 |
Mike Leffingwell | Crew | Writing | Writer | 22 |
Matt Smith | Crew | Writing | Writer | 37 |
 Drew Massey | Crew | Writing | Writer | 3 |
John T. Reynolds | Crew | Writing | Writer | 30 |
Douglas Gauthier | Crew | Writing | Writer | 2 |
 Amy Hill | Cast | Actress | (voice) | 1 |
 Bob Dorough | Cast | Actor | James Madison (voice) | 1 |
 Carlos Alazraqui | Cast | Actor | Ponce de Leon (voice) | 1 |
 Chris Parnell | Cast | Actor | Mr. Peabody (voice) | 52 |
 Danny Jacobs | Cast | Actor | Enrico Caruso (voice) | 1 |
 Daran Norris | Cast | Actor | Allan Pinkerton (voice) | 1 |
 David Koechner | Cast | Actor | (voice) | 1 |
David P. Smith | Cast | Actor | Mrs. Hughes / Orchoptitron (voice) | 52 |
 Dee Bradley Baker | Cast | Actor | (voice) | 1 |
 Eddie Pepitone | Cast | Actor | (voice) | 1 |
 Eliza Schneider | Cast | Actress | (voice) | 1 |
 Fred Tatasciore | Cast | Actor | Leif Erikson (voice) | 1 |
 Gary Anthony Williams | Cast | Actor | Additional Voices | 1 |
 Gary Busey | Cast | Actor | Alternate Universe Peabody (voice) | 1 |
 Grey DeLisle | Cast | Actress | Eunice Butters (voice) | 1 |
 Jane Lynch | Cast | Actress | Bernadette Steel (voice) | 1 |
 Jared Harris | Cast | Actor | Bigfoot (voice) | 1 |
 Jeff Bennett | Cast | Actor | Harry Houdini (voice) | 1 |
 John DiMaggio | Cast | Actor | George Stephenson (voice) | 1 |
 Josh Keaton | Cast | Actor | Wilbur Wright (voice) | 1 |
 Keone Young | Cast | Actor | (voice) | 1 |
 Kevin Michael Richardson | Cast | Actor | Mansa Musa (voice) | 1 |
 Margaret Cho | Cast | Actress | Mulan (voice) | 1 |
 Missi Pyle | Cast | Actress | Catherine the Great (voice) | 1 |
 Nolan North | Cast | Actor | Jesse James (voice) | 2 |
Paul Rugg | Cast | Actor | Napoleon (voice) | 1 |
 Phil LaMarr | Cast | Actor | (voice) | 1 |
 Richard Epcar | Cast | Actor | (voice) | 1 |
 Stephen Fry | Cast | Actor | Uncle Duke (voice) | 1 |
 Steve Blum | Cast | Actor | Edgar Allan Poe (voice) | 1 |
 Sunil Malhotra | Cast | Actor | Sweet Tune Swami (voice) | 1 |
 Tom Kenny | Cast | Actor | Nicholas-Joseph Cugnot (voice) | 1 |
 Tress MacNeille | Cast | Actress | Sacagawea (voice) | 1 |
 Andrew Kishino | Cast | Actor | Koikawa Harumachi (voice) | 1 |
 Brian Baumgartner | Cast | Actor | King Hotu Matu'a (voice) | 1 |
 Daniel Henney | Cast | Actor | Akashi Shiganosuke (voice) | 1 |
 Eric Bauza | Cast | Actor | Galileo (voice) | 1 |
 Kari Wahlgren | Cast | Actress | Ada Lovelace (voice) | 1 |
 Kate Higgins | Cast | Actress | Belle Starr (voice) | 2 |
 Max Charles | Cast | Actor | Sherman (voice) | 52 |
 Melanie Minichino | Cast | Actress | Queen Isabella (voice) | 1 |
 Michael-Leon Wooley | Cast | Actor | Ziryab (voice) | 1 |
 Flula Borg | Cast | Actor | Joe Troplong (voice) | 1 |
 Joshua Rush | Cast | Actor | Wheels (voice) | 1 |
 Reggie Watts | Cast | Actor | REJGIE (voice) | 1 |
 Grace Kaufman | Cast | Actress | (voice) | 1 |
 Haley Tju | Cast | Actress | (voice) | 1 |
 Da'Vine Joy Randolph | Cast | Actress | Christine (voice) | 52 |
 Marsai Martin | Cast | Actress | (voice) | 1 |
 Dave B. Mitchell | Cast | Actor | Frédéric Bartholdi (voice) | 1 |
 Jeff Ross | Cast | Actor | Aristophanes (voice) | 1 |
 Fred Stoller | Cast | Actor | Peter Cooper (voice) | 1 |
JD Samson | Cast | 1 | ||
 Dieter Jansen | Cast | Actor | Mr. Hobson (voice) | 52 |
Farris Patton | Cast | Actress | Lady Godiva (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
