John Rhys-Davies – Leonardo da Vinci
Since 1974, we’ve been blessed with the incredibly talented John Rhys-Davies, what with his work in The Lord of the Rings trilogy, the Indiana Jones films, and so on. However back in 1983 he made a lot of appearances on Star Trek: Voyager as a holodeck version of the wonderfully talented Leonardo da Vinci.
Ian Abercrombie – Abbot
Ian Abercrombie has played so many incredible roles in his lifetime including Alfred Pennyworth in Birds of Prey, Justin Pitt in Seinfeld, Rupert Cavanaugh in Desperate Housewives, Professor Crumbs in Wizards of Waverly Place, and Palpatine on Star Wars: The Clone Wars. And yes, he did make an appearance in Star Trek: Voyager.