Michael Bloomberg: Self - Former Mayor, New York City (segment "Bloomberg"), Self - Former Mayor, New York City (segment "Michael Bloomberg"), Self - Mayor, New York (segment "The Billionaire"), Self - Mayor, New York (segment "The Gates"), Self - Mayor, New York City, Self - Mayor, New York City (segment "Defending New York"), Self - Mayor, New York City (segment "Protecting New York"), Self - Mayor, New York City (segment "The Impossible Dream?")