Slava Afanasiev
В роли: Self - Ichtyologist (segment: Siberian Lake Serpent)

Henry Chapman
В роли: Self - Archaeologist (segment: Bosnian Pyramid) (как Doctor Henry Chapman)

Richard Freeman
В роли: Self - Cryptozoologist (segment: Siberian Lake Serpent)

Igor Grishin
В роли: Self - Explorer (segment: Siberian Lake Serpent)

Alexander Gubin
В роли: Self - Expedition Diver (segment: Siberian Lake Serpent)

Rhys Hughes
В роли: Vladimir

Dougal Jerram
В роли: Self - Geologist (segment: Bosnian Pyramid) (как Professor Dougal Jerram)

Грег Крик
В роли: Sergei

Daria Lashenova
В роли: Self - Tverdokhlebov's Daughter (segment: Siberian Lake Serpent)

Robert Lomas
В роли: Self - Theoretical Physicist (segment: Bosnian Pyramid) (как Doctor Robert Lomas)

Slobodan Mizdrak
В роли: Self - Physicist (segment: Bosnian Pyramid) (как Doctor Slobodan Mizdrak)

Semir Sam Osmanagich
В роли: Self - Archaeologist (segment: Bosnian Pyramid) (как Doctor Semir Osmanagich)

Campbell Price
В роли: Self - Egyptologist (segment: Bosnian Pyramid) (как Doctor Campbell Price)

John Provis
В роли: Self - Materials Scientist (segment: Bosnian Pyramid) (как Professor John Provis)

Lyubov Romanova
В роли: Self - Scientist (segment: Siberian Lake Serpent)

Dmitry Schiller
В роли: Self - Expedition Diver (segment: Siberian Lake Serpent)

Sergei Smolnikov
В роли: Self - Fisherman (segment: Siberian Lake Serpent)

Lionel Strasky
В роли: Viktor Tverdokhlebov