Mary Pat Gleason
Professor Foxtrot (voice)

Zac Oyama
Brad (voice)

Katie Marovitch
Mindy (voice)

Ally Beardsley
River (voice)

Raphael Chestang
Jason (voice)

Mike Trapp
Charles Dickinson (voice) / August Hildebrandt (voice) / Louis

Charles Dickinson (voice) / August Hildebrandt (voice) / Louis

Grant O'Brien
Frederick Hoelzel (voice) / Andrew Jackson (voice) / Thomas FitzStephen (voice)

Joe Ochman
Ernest Crocker (voice) / August Bier (voice) / Victim (voice)

Adam Conover
Doctor Gamma (voice)

Josh Ruben
Hyena (voice) / King Charles (voice)

Ian James Corlett
George Psalmanazar / John Howard (voice) / King Henry I (voice)

Siobhan Thompson
Amsterdam Woman (voice) / Mary Toft (voice)

Hesley Harps
Female Antechinus / Female Bedbug (voice)

Joe J. Thomas
Lytle S. Adams (voice)

Jamieson Price
CIA Agent (voice)

Nick Shakoour
Barbier-Dufai (voice)

Rick Zieff
Raoul (voice)

Laura Post
Princess Pauline (voice)

Gemma Bishop
Countess Anastasia (voice)

Ashley Gardner
Baroness Lubinska (voice)