Eyesen

Donald Pickering had three roles in Doctor Who, In 1964 he was the prosecuter, Eyesen in Keys of Marinus. In 1967 he was Commander Blade a pilot with a deadly secret in The Faceless Ones and in 1987, twenty years later, he was Beyus, a slave of the Rani in Time and the Rani.

Captain Blade

Beyus, a man with troubles.