Otto Osworth / Cat Woman / Waitress / Woman / Woman #1 (26 episodes, 2001-2003)
Buck Tuddrussel / Officer Buck Tuddrussel / Troop #1 / Comic 2 / Fat Kid / Judge / Larry 3000 / Nobel Man / Townsperson #4 / Trojan Emissary / Woodrow Wilson (26 episodes, 2001-2003)
Larry 3000 / British Officer / Audience 1 / Black Bart / Copernicus / Police Commish / Townsperson #13 / Townsperson #14 (26 episodes, 2001-2003)
Sigmund Freud / Abraham Lincoln / Banker / Customer #1 / Eli Whitney / Monty Zuma / Townsperson (6 episodes, 2001-2003)
XJ5 / Announcer / Jack the Ripper / Master of Ceremonies / Phileander Knox / Sinon / Soldier / Turkey Guy / Vampire / Winston Churchill (6 episodes, 2001-2003)
Billy's Mom / Joan of Arc / Lizzy Borden / Singer (4 episodes, 2001-2003)
Announcer / Time Squad Officer / Billy the Kid / George Washington Carver / Man With No Name / Todd Washington Carver (4 episodes, 2001-2003)
George Washington / Dr. Livingstone / Freud's Patient / Paul Revere's Father (4 episodes, 2001-2003)
Ludwig von Beethoven / Man #2 / Orville (3 episodes, 2001)
Billy / Butcher / Hoho the Clown / Man #1 / Mrs. O'Leary's Cow / Swede (3 episodes, 2001-2002)
Alfred Nobel / Randal McCoy / Rasputin (3 episodes, 2001-2002)
George Washington / Troop #2 (2 episodes, 2001-2002)
Beefy Guy / Fan #2 / Mayor / Security Guy (2 episodes, 2001-2003)
Jeremiah Tuddrussel / Townsperson Leader (2 episodes, 2001-2002)
King of Troy / Man (2 episodes, 2001-2002)
Comic 1 / Dummy / Mahatmi Gandhi (2 episodes, 2001-2002)
Socrates (2 episodes, 2001-2002)
Blackbeard (2 episodes, 2001)
Confucious / Confucius (2 episodes, 2001)
Sheila Sternwell (2 episodes, 2002-2003)
Horses / James Sherman / Zombie (2 episodes, 2002)
Betsy Ross (1 episode, 2001)
Mayor / Wilbur (1 episode, 2001)
Mrs. Big Al / Ugly Woman (1 episode, 2001)
Singer (1 episode, 2001)
Albert Einstein / Townsperson #10 / Townsperson #11 (1 episode, 2001)
Nostradamus (1 episode, 2001)
Josephine Bonaparte (1 episode, 2001)
Local 2 (1 episode, 2001)
Lumberjack (1 episode, 2001)
Little Girl (1 episode, 2001)
Sister Thornley (1 episode, 2001)
Meriwether Lewis (1 episode, 2001)
Townsperson (1 episode, 2001)
Kublai Khan (1 episode, 2001)
Edgar Allan Poe (1 episode, 2001)
Contessa (1 episode, 2001)
Leonardo DaVinci (1 episode, 2001)
Napoleon Bonaparte (1 episode, 2001)
Al Capone (1 episode, 2002)
Attila the Hun (1 episode, 2002)
Cleopatra (1 episode, 2002)
Frankenstein / William Howard Taft (1 episode, 2002)
Clown Thug (1 episode, 2002)
Amelia Earhart (1 episode, 2002)
J.T. Laser (1 episode, 2002)
The Earl of Sandwich (1 episode, 2002)
George W. Bush (1 episode, 2003)
Paul Revere (1 episode, 2003)
Dexter (1 episode, 2003)
Thomas Paine (1 episode, 2003)