"Arab sheik"
From Tardis Wiki, the free Doctor Who reference
An actor was playing the role of an "Arab sheik" in Hollywood when the First Doctor, Steven Taylor and Sara Kingdom materialised in the Doctor's TARDIS. He was discussing his scene with a vamp with film director Ingmar Knopf when the TARDIS crew interrupted them. (TV: The Daleks' Master Plan)
Behind the scenes
The actor was played by David James.