Lesley Stahl
В роли: Self - Correspondent (segment "Homeland Security")

Jeh Johnson
В роли: Self - Homeland Security Secretary (segment "Homeland Security")

Clark Kent Ervin
В роли: Self - Former Inspector General, Homeland Security (segment "Homeland Security")

Скотт Пиллей
В роли: Self - Correspondent (segment "The Good Friday Agreement")

Gerry Adams
В роли: Self - Leader of Sinn Fein (segment "The Good Friday Agreement")

Helen McKendry
В роли: Self - Daughter of Jean McConville (segment "The Good Friday Agreement")

Richard O'Rawe
В роли: Self - Former IRA Member (segment "The Good Friday Agreement")

Brendan Hughes
В роли: Self - IRA Member (segment "The Good Friday Agreement") (хроника)

Bernadette
В роли: Self - Ricky's Wife (segment "The Good Friday Agreement")

Morley Safer
В роли: Self - Correspondent (segment "Wikimania")

Jimmy Wales
В роли: Self - Co-Founder, Wikipedia (segment "Wikimania")

Sue Gardner
В роли: Self - Former Executive Director, Wikimedia Foundation (segment "Wikimania")

Amanda Levendowski
В роли: Self - Wikipedia Editor (segment "Wikimania")

Dumi Ndubane
В роли: Self - Wikipedia Editor (segment "Wikimania")

Lila Tretikov
В роли: Self - Executive Director, Wikimedia Foundation (segment "Wikimania")

Билл Клинтон
В роли: Self - Former President (segment "Wikimania") (хроника)