Will Forte
Abe Lincoln / Narrator (voice)
Phil Lord
Principal Dr. Cinnamon J. Scudworth (voice)
Christopher Miller
JFK / Mr. Butlertron (voice)
Neil Flynn
E-CyboPooch / Pirate / Rich Man / Moses (voice), Julius Caesar / Tux Guy / Moses (voice), Buddy Holly (voice), Glen the Janitor / Julius Caesar (voice), Julius Caesar (voice), Gandhi's Foster Father / Zoo Worker (voice), Julius Caesar / Carl (voice), Carl (voice), Snowflake Jake / Julius Caesar / Carl (voice
Donald Faison
Inmate (voice), X-Stream Bob / Wally (voice), George Washington Carver / Wally (voice), Toots / Wally (voice), Martin Luther King Jr. / Toots (voice), George Washington Carver (voice), Jimi Hendrix / Wally (voice), Toots (voice), Toots / King Kwanzaa / Wally / Guy in Commercial (voice)
Andy Dick
Van Gogh (voice), Mr. Sheepman / Thomas Edison / Van Gogh / Police Officer (voice), Mr. Sheepman / Van Gogh / Police Officer (voice), Police Officer (voice), Mr. Sheepman / Thomas Edison / Sexual Education Officer (voice), Mr. Sheepman (voice)
Bill Lawrence
The Shadowy Figure (voice) (uncredited)
Judah Miller
Inmate (voice), Dreidelstein (voice), Scangrade (voice)
Murray Miller
Catherine the Great (voice), Gene Kelly (voice) (uncredited)
Debra Wilson
Harriet Tubman / Eva Peron (voice), Reporter (voice), Girl in Commercial (voice)
Sarah Chalke
Marie Antoinette (voice), X-Stream Erin (voice)
Zach Braff
Paul Revere (voice), X-Stream Mike (voice)
Joe Flaherty
Abe’s Foster Dad (voice)
Marilyn Manson
Marilyn Manson (voice) (uncredited), Marilyn Manson (voice)
Michael J. Fox
Gandhi's Remaining Kidney (voice)
Jack Black
Pusher / Larry Hardcore (voice)
Ashley Parker Angel
Ashley Parker Angel (voice)
