Characters played by Latif Nasser
Self - Host
Characters played by Christopher Heckscher
Self - Bird Scientist
Characters played by Ainara Sistiago
Self - Molecular Archaeologist
Characters played by Alex Wellerstein
Self - Atomic Weapons Historian
Characters played by Vincent Thurkettle
Self - Gold Prospector
Characters played by W. Randall Shump
Self - Former Senior Attorney for the IRS
Characters played by Moussa Abderamane
Self - Geologist
University of N'Djamena
Chad
Characters played by Catherine Ross
Self - Archivist
UK Met Office
Characters played by Chip Trepte
Self - Dust Specialist
Characters played by Ted Hill
Self - Mathematician
Characters played by James Day
Self - Geologist and Geochemist
Characters played by Gerry Sullivan
Self - Operations Manager
Thames Water
Characters played by Emma Baxter
Self - Animal Researcher
Characters played by Paul Selwood
Self - Programmer for The Cray XC40
Characters played by Jack Dairiki
Self - Survivor of the Bombing of Hiroshima
Characters played by Mel Smith
Self - Professor of Machine Vision
Characters played by Mark Nigrini
Auditor
Self - Accountant
Characters played by Jason Dunion
Self - Meteorologist
Characters played by Leon Barron
Self - Scientist
Characters played by Greg Spriggs
Self - Nuclear Weapons Physicist
Characters played by Walter Mebane
Self - Political Scientist
Characters played by Kate Crawford
Self - A.I. Expert
Characters played by Assaf Anyamba
Self - NASA Scientist
Characters played by Jan-Berend Stuut
Self - Marine Geologist
Characters played by Tomas Brodin
Self - Aquatic Ecologist
Characters played by Claudia Cordel
Self - Director and Veterinarian
Execuvet
Characters played by Jennifer Golbeck
Self - Professor
University of Maryland's College of Information Studies
Characters played by Nadim Nasser
Self - Latif's Cousin
Characters played by Dale Griffin
Self - Environmental Public Health Microbiologist
Characters played by Nica Gutman
Self - Forensic Art Detective
Characters played by Gustav Hellström
Self - Aquatic Ecologist
Characters played by Hany Farid
Self - Digital Forensic Expert
Characters played by Deborah Giles
Self - Scientist
Characters played by David Diergaardt
Self - Farmer
Characters played by Kirsty Spalding
Self - Neurobiologist
Characters played by Cynthia Heil
Self - Director of the Red Tide Institute at Mote Marine Laboratory
Characters played by Judith Duportail
Self - Journalist
Characters played by Bruce Buchholz
Self - Nuclear Engineer and Physicist
Characters played by Marten Kaevates
Self - Estonia's National Digital Advisor
Characters played by Samuel Wasser
Self - Scientist
Characters played by Stefan Wolff
Self - Meteorologist
Characters played by Sarah Greely
Self - Field Conservation Coordinator
Living Desert Zoo
Characters played by Joan Martí
Self - Volcanologist
Characters played by Alysia Johnson
Self - First Officer
SubCom Decisive
Characters played by Lassina Zerbo
Self - Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization
Characters played by Adelina Geyer
Self - Researcher
Institute of Earth Sciences
Characters played by Eba
Self - Whale Poop Sniffing Dog
Characters played by Brigid Randle
Self - Animal Registrar
Living Desert Zoo
Characters played by Greg Merril
Self - CEO
Adaptive Phage Therapeutics
Characters played by Brian Isenstadt
Self - Cable Jointing Manager
SubCom
Characters played by Tapio Schneider
Self - Senior Research Scientist
NASA Jet Propulsion Lab
Characters played by Mark Lupisella
Self - NASA Scientist
Characters played by Jonathan Jennings
Self - Meteorologist