Dark Matters: Twisted But True

John Noble

Self - Host· 19 ep

Jim Ottaviani

Self - Nuclear Engineer & Science Historian· 6 ep

Sean Montgomery

Self - Neuroscientist· 6 ep

David Maiullo

Self - Physicist· 6 ep

Hywel Morgan

Charles Dawson / Dr. Flinn / J.P. Morgan / Knox / Thomas Edison / Wood· 6 ep

Ben Addis

Count von Paradis / Forrester / Frank / Laszlo / Robert Cornish· 5 ep

Jay Hosler

Self - Biologist & Author· 4 ep

Paula Cohen

Self - Geneticist· 4 ep

Robin Bowerman

Adams / Blondlot / Dr. Johnson / Policeman· 4 ep

Michael Malarkey

Alter· 2 ep

Oliver James

Tempalov· 2 ep

Isobel Pravda

Maria Bopkova· 2 ep

Jake Harders

William Langston· 2 ep

Michael Stevens

Himself· 1 ep

Joshua Wichard

Young Pavlov (as Josh Wichard)· 1 ep