Name	Known for
Emma Fielding Self - Narrator (voice) Self - Narrator (voice) See fewer	Cranford (2007)
Ellen Anderson Self - Juneau Forestry Sciences Lab, Alaska Self - Juneau Forestry Sciences Lab, Alaska See fewer	Horizon (I) (1964)
Simon Day Self - Benfield Greig Hazard Research Centre, UCL (as Dr. Simon Day) Self - Benfield Greig Hazard Research Centre, UCL (as Dr. Simon Day) See fewer	Horizon (I) (1964)
Derek Elsworth Self - Pennsylvania State University (as Prof Derek Elsworth) Self - Pennsylvania State University (as Prof Derek Elsworth) See fewer	Horizon (I) (1964)
Hermann Fritz Self - Swiss Federal Institute of Technology Self - Swiss Federal Institute of Technology See fewer	Horizon (I) (1964)
Bill McGuire Self - Benfield Greig Hazard Research Centre, UCL (as Prof Bill McGuire) Self - Benfield Greig Hazard Research Centre, UCL (as Prof Bill McGuire) See fewer	Supervolcano (2005)
Gary McMurtry Self - University of Hawaii (as Prof Gary McMurtry) Self - University of Hawaii (as Prof Gary McMurtry) See fewer	Horizon (I) (1964)
George Plafker Self - US Geological Survey (as Dr George Plafker) Self - US Geological Survey (as Dr George Plafker) See fewer	Alaska: Most Extreme (2009)
Howard Ulrich Self Self See fewer	Alaska: Most Extreme (2009)
Sonny Ulrich Self Self See fewer	Horizon (I) (1964)