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

Jack Andraka
В роли: Self - Intel Award Winner (segment "Boy Wonder") (хроника)

Steve Andraka
В роли: Self - Jack's Father (segment "Boy Wonder") (хроника)

Jane Andraka
В роли: Self - Jack's Mother (segment "Boy Wonder") (хроника)

Anirban Maitra
В роли: Self - Professor of Oncology (segment "Boy Wonder") (хроника)

Luke Andraka
В роли: Self - Jack's Brother (segment "Boy Wonder") (хроника)

Скотт Пиллей
В роли: Self - Correspondent (segment "Children Helping Children")

Craig Kielburger
В роли: Self - Activist (segment "Children Helping Children") (хроника)

Iqbal Masih
В роли: Self - Activist (segment "Children Helping Children") (хроника)

Ed Bradley
В роли: Self - Correspondent (segment "Children Helping Children") (хроника)

Marc Kielburger
В роли: Self - Craig's Brother (segment "Children Helping Children") (хроника)

Magdalena Dutkowska
В роли: Self - 11 Year Old (segment "Children Helping Children") (хроника)

Joey Hopkins
В роли: Self - 12 Year Old (segment "Children Helping Children") (хроника)

Sharon
В роли: Self - Student (segment "Children Helping Children") (хроника)

Bob Simon
В роли: Self - Correspondent (segment "The Mozart of Chess")

Магнус Карлсен
В роли: Self - Chess Grandmaster (segment "The Mozart of Chess") (хроника)

Malcolm Pein
В роли: Self - Chess Writer (segment "The Mozart of Chess") (хроника)

Hikaru Nakamura
В роли: Self - Chess Grandmaster (segment "The Mozart of Chess") (хроника)

Henrik Carlsen
В роли: Self - Magnus's Father (segment "The Mozart of Chess") (хроника)

Frederic Friedel
В роли: Self - ChessBase (segment "The Mozart of Chess") (хроника)