Star Trek celebrity guest Ricardo Montalban in The Wrath of Khan and appearances from the original series episode called Space Seed.
The top picture is the actor in normal circumstances, and the bottom picture(s) is of the actor in their specific role(s).
5 Pictures from The Wrath of Khan
6 Pictures from Space Seed
Most noteable appearance was on Fantasy Island, but also starred in a couple of the Planet of the Apes movies plus Naked Gun and Spy Kids 2. Was a commercial spokesman for Chrysler automobiles, with the world famous catch phrase "Genuine Corinthian Leather" while rolling the r's.
Space Seed -Star Trek: The Original Series - 16 (episode # 1.22) -Playing Khan Noonian Singh -Found on the S.S. Botany Bay, an old ship from Earth that contains Khan in stasis, a genetically engineered strongman that failed to take over the Enterprise.
Star Trek: The Wrath of Khan (1982) -Playing Khan Noonian Singh -Khan is discovered by mistake on Ceti Alpha VI while looking for a possible test site for Genesis. Khan was killed when the Reliant was destroyed.