Bob Newhart as Professor Proton
From 2013, Professor Proton, played by Bob Newhart, made five guest appearances on The Big Bang Theory, He then earned his first Primetime Emmy Award after. This Stand-up comedian and actor was first seen in 1958 and was a massive hit. Listing down his awards would take time so we will leave that to your imagination. Just imagine a Christmas tree full of decoration. That!
Bob Newhart As Arthur Jeffries
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Pasha D. Lychnikoff as Dimitri
Dimitri is Howard’s Russian cosmonaut crew-mate. The character was played by Pasha D. Lychnikoff; He is a Russian TV, film, voice, and theater actor. This 50-year-old actor is working on a film titled Siberia; it suits him don’t you think? He was also Yvon from Shameless.
Pasha D. Lychnikoff as Dimitri
