Production Brian Leith Directed Orcas - Vorstoss in die Arktis 2014 Other Credits Born in China Writer 2016 Invasion of the Killer Whales Producer 2014 Charles Darwin and the Tree of Life Executive Producer 2009 Help! I'm No Bigger Than a Bug Executive Producer 2008 Ganges Executive Producer 2007 Life on Air: David Attenborough's 50 Years in Television Producer 2002 Agent-readable