约瑟特·西蒙

Josette Simon

饰：Self - Narrator,

大卫·巴蒂尔

David Baddiel

饰：Self - Presenter

Brian Butterworth

饰：Self - University College London,(as Prof Brian Butterworth)

Roland Fryer

Roland Fryer

饰：Self - Harvard University,(as Dr Roland Fryer)

Frank Skinner

饰：Self

Carol Dweck

饰：Self - Stanford University,(as Prof Carol Dweck)

Usha Goswami

饰：Self - Cambridge University,(as Prof Usha Goswami)

Walter Mischel

饰：Self - Columbia University,(as Prof Walter Mischel)