Orth was born and raised in Kitchener, Ontario. His most notable role was as Edward 'Ned' Malone in the TV series Sir Arthur Conan Doyle's The Lost World, which was shot in Australia. He played this part from 1999 until 2002. During the shooting of The Lost World, he purchased a home in Australia and soon after met his wife there. Orth voiced Blizzard in Iron Man: Armored Adventures. He has also starred in Beyond Reality, The Ray Bradbury Theatre and in the episode "Scarecrow" on the CW's horror/drama series Supernatural.
