Stephen Tobolowsky
Principal Purdy (voice)
Stanley Tucci
Leonardo da Vinci (voice)
Stephen Apostolina
Additional Voices (voice)
Nicholas Guest
French Peasant (voice)
Allison Janney
Ms. Grunion (voice)
Patrick Warburton
Agamemnon (voice)
Jess Harnell
Abraham Lincoln / George Washington / Bill Clinton / Isaac Newton / New York City Cop (voice)
Adam Alexi-Malle
French Peasant (voice)
Mel Brooks
Albert Einstein (voice)
Walt Dohrn
French Peasant / Taxi Driver / Spartacus (voice)
Dennis Haysbert
Judge (voice)
Jeff Fischer
Additional Voices (voice)
David Zyler
Additional Voices (voice)
Jadon Sand
Additional Voices (voice)
David Cowgill
Additional Voices (voice)
Jackie Gonneau
Additional Voices (voice)
Scott Menville
Additional Voices (voice)
Thomas Lennon
Italian Peasant #2 (voice)
Mitch Carter
Additional Voices (voice)
Michelle Ruff
Additional Voices (voice)
Jacqueline Pinol
Additional Voices (voice)
Tom McGrath
Odysseus (voice)
Steve Alterman
Additional Voices (voice)
Ariel Winter
Penny Peterson (voice)
Stephen Colbert
Paul Peterson (voice)
Pat Musick
Teacher (voice)
Robert Cait
French Guard (voice)
Donald Fullilove
Additional Voices (voice)
Rif Hutton
Additional Voices (voice)
Hope Levy
Additional Voices (voice)
Edie Mirman
Additional Voices (voice)
Steve Valentine
Ay (voice)
Ty Burrell
Mr. Peabody (voice)
Guillaume Aretos
Robespierre (voice)
Lake Bell
Mona Lisa (voice)
Jasper Johannes Andrews
Baby Sherman (voice)
Lynnanne Zager
Additional Voices (voice)
Newell Alexander
Additional Voices (voice)
Kim Bubbs
French Peasant (voice)
Ava Acres
Additional Voices (voice)
Eva Bella
Additional Voices (voice)
Cullen McCarthy
Kid (voice)
Leslie Mann
Patty Peterson (voice)
Zach Callison
King Tut (voice)
Raymond Ochoa
Additional Voices (voice)
Rosemary Alexander
Additional Voices (voice)
Max Charles
Sherman (voice)
Alan Shearman
Additional Voices (voice)
Luisa Leschin
Additional Voices (voice)
Claudette Wells
Additional Voices (voice)
Lauri Fraser
Marie Antoinette / Egyptian Woman (voice)
Molly Jackson
Additional Voices (voice)
Ella Rouhier
Additional Voices (voice)
Leila Birch
WABAC Machine (voice)
Blake Bertrand
Additional Voices (voice)
