Self - Narrator / Narrator / Self - Presenter / Narrated by / Self (55 episodes, 1984-2019)
Self - Narrator / Self - Presenter (41 episodes, 1983-1997)
Self - Narrator / Narrator (9 episodes, 1994-2000)
Self - Narrator (7 episodes, 1987-2006)
Self - Narrator (6 episodes, 1997-1999)
Self - Narrator (6 episodes, 1995-2004)
Self - Presenter / Narrator / Self - Narrator / Self - presenter (6 episodes, 2011-2020)
Narrator / Self - Narrator (4 episodes, 2012-2019)
Self / Self - Narrator (4 episodes, 1993-2005)
Self - Narrator (3 episodes, 1985)
Self - Narrator (3 episodes, 1991-1998)
Self - Narrator (3 episodes, 1995-1996)
Self - Narrator (3 episodes, 1998-2008)
Self - Narrator (3 episodes, 2000)
Self - Narrator / Narrator (3 episodes, 2000-2016)
Self / Self - Narrator (3 episodes, 2000-2007)
Self - Narrator (3 episodes, 2013-2015)
Self - Narrator / Narrator (3 episodes, 1994-2009)
Self - Narrator (2 episodes, 1989)
Self - Narrator (2 episodes, 1994-1999)
Self - Narrator (2 episodes, 1994-1998)
Self - Narrator (2 episodes, 1998-1999)
Narrator / Self - Narrator (2 episodes, 2010-2011)
Self (2 episodes, 1992-1996)
Self / Self - Narrator (2 episodes, 1994-1996)
Self - Narrator (2 episodes, 2000)
Narrator (2 episodes, 2007-2010)
Self / Self - Narrator (2 episodes, 1983-1996)
Self - Narrator / Self - Presenter (2 episodes, 1991-1995)
Self - Narrator (2 episodes, 1995-2007)
Self - Narrator (2 episodes, 1997-2013)
Narrator / Self - Narrator (2 episodes, 1997-2011)
Narrator / Self - Narrator (2 episodes, 2005-2008)
Self - Presenter (2 episodes, 2013-2017)
Self (2 episodes, 1984-1996)
Self / Self - Presenter (2 episodes, 2005-2008)
Narrator (2 episodes, 2011-2018)
Narrator (German version) (2 episodes, 2012-2013)
Narrator (2 episodes, 2013-2020)
Narrator / Self - Narrator (2 episodes, 2014-2016)
Self - Narrator (US) (2 episodes, 2016-2017)
Gregor Mendel (1 episode, 1984)
Edward Lear (1 episode, 1985)
Jim Corbett (1 episode, 1986)
Self - Presenter (1 episode, 1988)
Self - Narrator (1 episode, 1994)
Self - Narrator (1 episode, 1995)
Self (1 episode, 1996)
Self - Narrator (1 episode, 1997)
Self (1 episode, 1997)
Self - Narrator (1 episode, 1998)
Narrator (1 episode, 1998)
Self - Narrator (1 episode, 1999)
Self - Narrator (1 episode, 2000)
Self - Narrator (1 episode, 2003)
Self - Emory University (1 episode, 2008)
Narrator (1 episode, 2009)
Voice of Takayo Soma (1 episode, 2009)
Self (1 episode, 2009)
Self (1 episode, 2010)
Self - Presenter (1 episode, 2010)
Self - Narrator (1 episode, 2011)
Self - Narrator (1 episode, 2012)
Narrator (1 episode, 2012)
Narrator (1 episode, 2013)
Self (1 episode, 2013)
Self - Narrator (1 episode, 2014)
Self - Narrator (1 episode, 2015)
Self - Narrator (1 episode, 2016)
Narrator (1 episode, 2017)
Self - Presenter (1 episode, 2017)
Narrator (1 episode, 2018)
Father Rambousek (1 episode, 1984)
Ann Lear (1 episode, 1985)
Maggie Corbett (1 episode, 1986)
Self - Shark Attack Survivor (1 episode, 2008)
Self - Association for the Study of Peak Oil & Gas (1 episode, 2009)
Self - Alpha Male of the Chimpanzee Group (1 episode, 2010)
Self - Conservationist (1 episode, 2018)
Self - Cameraman and Ecologist (1 episode, 2019)
Johann Nave (1 episode, 1984)
Lord Derby (1 episode, 1985)
Norah Vivian (1 episode, 1986)
Self - Georgetown University (1 episode, 2008)
Self - Journalist & Farmer (1 episode, 2009)
Self - Dominant Female of the Chimpanzee Group (1 episode, 2010)
Jan Twrdy (1 episode, 1984)
Franklin Lushington (1 episode, 1985)
Graham Vivian (1 episode, 1986)
Self - University of St Andrews (1 episode, 2008)
Self - Professor of Food Policy (1 episode, 2009)
Self - Chimpanzee (1 episode, 2010)
Abbot Napp (1 episode, 1984)
Holman Hunt (1 episode, 1985)
Bahadur Singh (1 episode, 1986)
Self - Lifeguard (1 episode, 2008)
Self - Executive Chairman Solarcentury (1 episode, 2009)
Self - Chimpanzee Burgers' Zoo (1 episode, 2010)
Father Keller (1 episode, 1984)
Giorgio Kokali (1 episode, 1985)
Robin Hood (1 episode, 1986)
Self - Policy Director - Soil Association & Farmer (1 episode, 2009)
Father Winkelmeyer (1 episode, 1984)
Baines (1 episode, 1986)
Self - Director - Soil Association & Farmer (1 episode, 2009)
Joseph Maresh (1 episode, 1984)
Emily Tennyson (1 episode, 1985)
Audrey Clay (1 episode, 1986)
Self - Senior Fellow - Post Carbon Institute (1 episode, 2009)
Professor Unger (1 episode, 1984)
Alfred Tennyson (1 episode, 1985)
Kunwar Singh (1 episode, 1986)
(1 episode, 2008)
Carl Theimer (1 episode, 1984)
Young Lear (1 episode, 1985)
Grandmother (1 episode, 1986)
Theresia (1 episode, 1984)
Clown (1 episode, 1985)
Professor Fenzi (1 episode, 1984)
Brother Clemens (1 episode, 1984)
Builder (1 episode, 1985)
Gustav Niessi (1 episode, 1984)
Shankar (1 episode, 1986)
Professor Makowsky (1 episode, 1984)
Khansamah (1 episode, 1986)
Alois (1 episode, 1984)
Self - Narrator (1 episode, 1983)
Self - Professor of Astronomy and Space Sciences, Cornell University (1 episode, 1984)
Self - Stanford University (1 episode, 1984)
Self - Reporter (1 episode, 1984)
Self - Narrator (1 episode, 1984)
Self - Atmospheric Scientist, NASA Ames Research Center (1 episode, 1984)
Self - R&D Associates, Marina del Rey (1 episode, 1984)
Self - Climatic Research Unit, University of East Anglia (1 episode, 1984)
Hiroshima Survivor / Voice of JFK (1 episode, 1984)
Self - Climatologist, NASA Ames Research Center (1 episode, 1984)
Self - Chairman, U.S.S.R. Committee for Hydro-Meteorology & Environmental Control (1 episode, 1984)
Ecosystems Research Center, Cornell University (1 episode, 1984)
Self (1 episode, 1984)
Self - General Scientific Secretary, USSR Academy of Sciences (1 episode, 1984)
Self - Agricultural Scientist, Cornell University (1 episode, 1984)
Self - Director of Climate Modeling, Computing Centre of the Academy of Sciences, USSR (1 episode, 1984)
Self - Atmospheric Scientist, National Center for Atmospheric Research (1 episode, 1984)
Self (narrator) (1 episode, 1985)
Self - Narrator (1 episode, 1985)
Self - River keeper (1 episode, 1987)
Narrator (1 episode, 1988)
Self (1 episode, 1989)
Self - Narrator (1 episode, 1989)
Self (1 episode, 1998)
Self (1 episode, 2002)
Self - Narrator (1 episode, 2002)
Self (1 episode, 2004)
Self - Narrator (1 episode, 2005)
Self (1 episode, 2005)
Self - Presenter (1 episode, 2006)
Self - Narrator (1 episode, 2006)
Narrator (1 episode, 2006)
Self (1 episode, 2006)
(1 episode, 2007)
Narrator (1 episode, 2007)
Self - Narrator (1 episode, 2007)
Self - Presenter (1 episode, 2007)
Self (1 episode, 2007)
Scientist (1 episode, 2007)
Narrator (1 episode, 2008)
Self - Presenter (1 episode, 2008)
Self (1 episode, 2008)
Self - Narrator (1 episode, 2009)
Self - Presenter (1 episode, 2009)
Self - Participant (1 episode, 2009)
Bearwalker / Self - Narrator (1 episode, 2009)
Self - Field Researcher (1 episode, 2009)
Self - Additional Voiceover (1 episode, 2010)
Narrator (1 episode, 2010)
(1 episode, 2010)
Vicky Butterfly (1 episode, 2010)
George Adamson (1 episode, 2011)
Self - Participant (1 episode, 2011)
Narrator (1 episode, 2011)
Self (1 episode, 2011)
Self - Presenter (1 episode, 2011)
Self (1 episode, 2012)
Self - Host and Narrator (1 episode, 2012)
Self (Environmental Investigation Agency) (1 episode, 2012)
Self - Participant (1 episode, 2012)
Self - Tiger (1 episode, 2012)
Self - Tigress (1 episode, 2012)
(1 episode, 2013)
Self (1 episode, 2014)
Self - Participant (1 episode, 2017)
Narrator / Self (1 episode, 2019)
Self - Presenter (1 episode, 2020)
Mike Vergalla (1 episode, 2020)
Self - Narrator (uncredited) (1 episode, 2009)
Self - Narrator (uncredited) (1 episode, 2010)