Derek Waters
Himself - Host / Various Characters (8 eps)
Sarah Burns
Various (8 eps)
Bennie Arthur
Various (8 eps)
Michael Daniel Cassady
Various (7 eps)
Adam Nee
Various (7 eps)
Maria Blasucci
Various (7 eps)
Craig Cackowski
Various (7 eps)
Jeremy J. Tutson
Various (7 eps)
Tymberlee Hill
Various (7 eps)
Kyle David Crosby
Bootlegger (3 eps)
Bob Odenkirk
Richard Nixon (2 eps)
Jason Ritter
Stetson Kennedy (2 eps)
Jack McBrayer
Clarence Darrow (2 eps)
Craig Anstett
Various (2 eps)
Rich Fulcher
Self - Narrator (2 eps)
Tommy Blacha
Self - Narrator (2 eps)
Chris Parnell
Jim Bowie (2 eps)
Seth Weitberg
Himself - Narrator (2 eps)
Eric Edelstein
Museum Guard (2 eps)
Mark Gagliardi
Himself - Narrator (2 eps)
Matt Gourley
Himself - Narrator (2 eps)
Nathan Fielder
Bob Woodward (1 eps)
Jack Black
Elvis Presley (1 eps)
Will Forte
Edwin Booth (1 eps)
Jonathan Ames
Junius Booth (1 eps)
Adam Scott
John Wilkes Booth (1 eps)
Dave Grohl
Memphis Mafia Member (1 eps)
Stephen Merchant
Abraham Lincoln (1 eps)
Fred Willard
Deep Throat (1 eps)
Kyle Kinane
Self - Narrator (1 eps)
Joe Lo Truglio
Al Capone (1 eps)
Matt Besser
Edwin Stanton (1 eps)
Ike Barinholtz
August Spies (1 eps)
Charlie Finn
Cpt. 'Black Jack' Bonfield (1 eps)
Eric Filipkowski
Abraham Lincoln (1 eps)
Will Sasso
Frank Nitti (1 eps)
Moshe Kasher
Albert Parsons (1 eps)
Jenny Slate
Herself - Narrator (1 eps)
James Atkinson
Himself - Narrator (1 eps)
Bill Hader
John Pemberton (1 eps)
Simon Helberg
Frank M. Robinson (1 eps)
Rob Riggle
J. Edgar Hoover (1 eps)
Lamorne Morris
Martin Luther King Jr. (1 eps)
Matt Walsh
KKK Member (1 eps)
Kevin Nealon
The Grand Dragon (1 eps)
Abdul Abukusumo
South American (1 eps)
Jen Kirkman
Herself - Narrator (1 eps)
Erin Rohr
Herself - Narrator (1 eps)
Michael Rohr
Himself - Narrator (1 eps)
Chris Romano
Himself - Narrator (1 eps)
Winona Ryder
Mary Dyer (1 eps)
Michael Cera
John Endicott (1 eps)
Brett Gelman
Art Thief (1 eps)
Martin Starr
Art Thief (1 eps)
June Diane Raphael
Isabella Stewart Gardner (1 eps)
Tim Heidecker
Cop (1 eps)
Connie Britton
Patricia Shaheen (1 eps)
Nick Offerman
Johnny Cool (1 eps)
Aidan Potter
Various (1 eps)
Michael Coleman
Fireman (1 eps)
Zachary Burke
Various (1 eps)
Clint Culp
Policeman (1 eps)
Steve Berg
Various (1 eps)
Beth Cahill
Onlooker (1 eps)
Benjamin Poe
Policeman (1 eps)
Kaci Beeler
Herself - Interviewee (1 eps)
Artemis Pebdani
Herself - Narrator (1 eps)
Derrick Beckles
Himself - Narrator (1 eps)
Natasha Leggero
Herself - Narrator (1 eps)
Lisa Bonet
Mary Ellen Pleasant (1 eps)
Terry Crews
Donald 'Cinque' DeFreeze (1 eps)
Steve Little
Mark Twain (1 eps)
Ben Hoffman
Newscaster (1 eps)
Kristen Wiig
Patty Hearst (1 eps)
Ally Johnson
Herself (1 eps)
Paco Romane
Himself (1 eps)
Paget Brewster
Herself - Narrator (1 eps)
Lucius Dillon
Himself - Narrator (1 eps)
Jason Schwartzman
Ralph Nader (1 eps)
Owen Wilson
John Harvey Kellogg (1 eps)
Luke Wilson
Will Keith Kellogg (1 eps)
Ken Marino
Harry Houdini (1 eps)
Alfred Molina
Sir Arthur Conan Doyle (1 eps)
Richard Riehle
James Roche (1 eps)
Polly W. LePorte
Kellogg Patient (1 eps)
BJ Porter
Himself - Narrator (1 eps)
Georgia Hardstark
Herself - Narrator (1 eps)
Alie Ward
Herself - Narrator (1 eps)
Tony Hale
Meriwether Lewis (1 eps)
Taran Killam
William Clark (1 eps)
Kumail Nanjiani
Lakota Chief (1 eps)
Aubrey Plaza
Sacagawea (1 eps)
Bradley Whitford
William Jennings Bryan (1 eps)
Casey Wilson
Dolly Parton (1 eps)
Dakota Black
Lakota Indian (1 eps)
A.J. Culp
Jolene (1 eps)
John A. Lorenz
Lakota Indian (1 eps)
Michael Kearney
Interviewee (1 eps)
Lacie Madison
Party Guest (1 eps)
Preston Flagg
Himself - Narrator (1 eps)
Timm Sharp
Billy the Kid (1 eps)
Rob Huebel
Pat Garrett (1 eps)
Andy Daly
Teddy Roosevelt (1 eps)
Jake Johnson
William B. Travis (1 eps)
Horatio Sanz
Gen. Santa Anna (1 eps)
Zach Paez
Various (1 eps)
Joseph Billingiere
Various (1 eps)
Raymond Ochoa
Various (1 eps)
Ricardo Tirado
Various (1 eps)
Dan Cooley
Rough Rider (1 eps)
Corey Weber
Tim- The Cowboy (1 eps)
Joseph Zinsman
Soldier (1 eps)
Allan McLeod
Himself - Narrator (1 eps)