Mark K. Sargent

Self - King of the Flat Earth

Patti Sargent

Self - Mark's Mom

Hannalore Gerling-Dunsmore

Self - Astrophysicist, Caltech

Joe Pierre

Self - Professor of Psychiatry, UCLA

Spiros Michalakis

Self - Physicist, Caltech

Scott Kelly

Self - Former NASA Astronaut

Tim Urban

Self - Science Writer

Nathan Thompson

Self - The Evangelist

Patricia Steere

Self - The Interviewer

Stephen Hagberg

Self - High School Science Teacher

Bob Knodel

Self - The Engineer

Per Espen Stoknes

Self - Psychologist & Writer

Tim Ozman

Self - Flat Earther

Cami Knodel

Self - Flat Earther

Math Powerland

Self - The Originator

Odd Reality

Self - Flat Earther

Chris Pontius

Self - The Craftsman

Jeran Campanella

Self - The Experimenter