Брайант Гамбл
В роли: Self - Host

Mary Carillo
В роли: Self - Correspondent (segment "Stephen Murray's Journey") (segment "Drug Runners")

Frank Deford
В роли: Self - Correspondent (segment "Teamwork")

Andrew Lawson
В роли: Self - High School Athlete (segment "Teamwork")

Tim Montgomery
В роли: Self - Former Sprinter (segment "Coming Clean")

Stephen Murray
В роли: Self - BMX Rider (segment "Stephen Murray's Journey")