Host

Derek Waters

Guest Star

Greg Kinnear

Guest Star

Josh Hartnett

Guest Star

Topher Grace

Guest Star

Michael Cera

Guest Star

Octavia Spencer

Guest Star

Kat Dennings

Guest Star

Stephen Merchant

General Andrew Jackson / Alan Freed / Clarence Darrow

Jack McBrayer

Guest Star

Gaius Charles

Guest Star

Chelsea Peretti

Elvis Presley / William Mulholland / Vincenzo Peruggia

Jack Black

Guest Star

Parker Posey

Roald Dahl

Will Ferrell

Guest Star

Justin Long

Guest Star

Samm Levine

Ernest Thompson Seton / Fred Rogers / Gordon Cooper

Colin Hanks

Guest Star

Maya Rudolph

Thomas Edison / Jim Bowie / Carl Sagan

Chris Parnell

Guest Star

Kyle Gass

Guest Star

Zach Gilford

Guest Star

Paul Scheer

Guest Star

Natasha Leggero

Guest Star

Jason Mantzoukas

Guest Star

Thomas Middleditch

Various

Bennie Arthur

Guest Star

Alia Shawkat

Guest Star

David Koechner

Guest Star

Jason Momoa

William Clark / Various / Frédéric Auguste Bartholdi

Taran Killam

Art Heist Investigator / Stetson Kennedy / Robert Wilson

Jason Ritter

Guest Star

Mary Elizabeth Ellis

Guest Star

Jason Alexander

Guest Star

Rob Huebel

Guest Star

Adam Devine

Guest Star

Jaleel White

Guest Star

Ryan Phillippe

Various

Maria Blasucci

Guest Star

Martin Starr

Marshall Ratliff / Johnny Cash / Ponce De Leon

Johnny Knoxville

Edward Cope / Meriwether Lewis / James Monroe

Tony Hale

Various

Craig Cackowski

Guest Star

Jake Johnson

Guest Star

George Wallace

Guest Star

Blake Anderson

Guest Star

Tom Lennon

Guest Star

Giancarlo Esposito

Guest Star

Miles Brown

Guest Star

Christopher Meloni

Guest Star

Andre Royo

Guest Star

Michael McKean

Guest Star

Ron Funches

Guest Star

Nathan Fillion

Various

Jeremy J. Tutson

Various

Tymberlee Hill

Various

Sarah Burns

Various

Michael Daniel Cassady

Various

Adam Nee

Various / Fireman

Mike Coleman

Various

Mort Burke

Narrator / Robert S. Abbott

Daryl J. Johnson

Herself - Narrator

Jenny Slate

Young Thaddeus Lowe

Jadon Wells

Tim Baltz

Aasha Davis

Himself - Narrator

Mark Proksch