Crude: The Incredible Journey of Oil Online

Richard Smith - Self, Gary Lash - Self (as Dr. Gary Lash) , Jeremy Leggett - Self (as Dr. Jeremy Leggett) , Hugh Jenkyns - Self (as Prof. Hugh Jenkyns) , John Harper - Self (as Dr. John Harper) , Sonia Shah - Self - Author, Kenneth Deffeyes - Self (as Prof. Ken Deffeyes) , Ron Oxburgh - Self (as Lord Ron Oxburgh) , M. King Hubbert - Self (archive footage) , Nestor Sander - Self (as Dr. Nestor Sander) , Sadad Al-Husseini - Self - Aramco (as Dr. Sadad Al-Husseini) , Colin Campbell - Self (as Dr. Colin Cambpell) , Lee Kump - Self (as Dr. Lee Kump) , Darren Gröcke - Self (as Dr. Darren Gröcke) , Ian Joughin - Self (as Dr. Ian Joughin)