Grant Ashley
В роли: Self - Assistant Director, FBI (segment "Rent-a-Patient")

Chris Cuomo
В роли: Self - Correspondent (segment "A Germ Challenge")

Terry Fox
В роли: Self - Son of Murder Victim (segment "Paying for the Past")

Чарлз Гибсон
В роли: Self - Correspondent

Paul Krueger
В роли: Self - Professor, Penn State (segment "Paying for the Past")

John Quiñones
В роли: Self - Correspondent (segment "Rent-a-Patient")

Diane Sawyer
В роли: Self - Hostess

Phillip Tierno
В роли: Self - Author, The Secret Life of Germs (segment "A Germ Challenge")