- Robert Clotworthy (Narrator (voice))
- Giorgio A. Tsoukalos (Self)
- Ariel Bar Tzadok (Self)
- Jonathan Young (Self)
- David Childress (Self)
- Erich von Däniken (Self)
- Linda Moulton Howe (Self)
- David Wilcock (Self)
- George Noory (Self)
- Philip Coppens (Self)
- Nick Pope (Self)
- Mike Bara (Self)
- Bill Birnes (Self)
- Hugh Newman (Self)
- Robert M. Schoch (Self)
- Nick Redfern (Self)
Ancient Aliens — S17E7
Episode: Top Ten Alien Artifacts
Air Date: 2021-10-08
Runtime: 40 min
Overview
An ancient figurine of a modern-day airplane. A primitive statue of a man in a spacesuit. Mysterious crystal skulls whose origins are entirely unknown. For more than a decade on Ancient Aliens, we've traveled the globe and investigated strange objects found on every continent on Earth. We're counting down the top ten alien artifacts. Objects that could provide evidence that extraterrestrials once walked among us.