Tasmanian devil
In 2005, Bana narrated the documentary "Terrors of Tasmania" about the endangered Tasmanian devil. The film followed the life of a female Tasmanian devil called Manganinnie and discussed the incurable facial cancer which threatens the survival of the species. He has also worked with the Royal Society for the Prevention of Cruelty to Animals, donating money to animal shelters in Berlin while filming "Troy" in 2004.