Bleytal

Bleytal was supposedly the leader of the Silurian Ark. He had begun a voyage to Earth in order to repopulate it with Dinosaurs, but misjudged the time.

He was ejected from the ship by Solomon after inviting him on board. (DW:  Dinosaurs on a Spaceship)

Behind the scenes

 * Richard Hope, who played Bleytal, previously played Malokeh in The Hungry Earth/Cold Blood and The Wedding of River Song.