Скотт Пиллей
В роли: Self - Correspondent (segment "The Director")

Джеймс Коми
В роли: Self - Director, Federal Bureau of Investigation (segment "The Director")

Lesley Stahl
В роли: Self - Correspondent (segment "The Cost of Cancer Drugs")

Leonard Saltz
В роли: Self - Oncologist, Memorial Sloan Kettering (segment "The Cost of Cancer Drugs")

Peter Bach
В роли: Self - Doctor, Memorial Sloan Kettering (segment "The Cost of Cancer Drugs")

John Castellani
В роли: Self - CEO, PhRMA (segment "The Cost of Cancer Drugs")

Hagop Kantarjian
В роли: Self - Doctor, MD Anderson (segment "The Cost of Cancer Drugs")

Андерсон Купер
В роли: Self - Correspondent (segment "The Smartest Dog in the World")

John Pilley
В роли: Self - Dogowner (segment "The Smartest Dog in the World")

Brian Hare
В роли: Self - Evolutionary Anthropologist (segment "The Smartest Dog in the World")

Gregory Berns
В роли: Self - Neuroscientist (segment "The Smartest Dog in the World")