While it is tough to imagine The Big Bang Theory star Johnny Galecki playing any other character than Dr. Leonard Hofstadter, ...

I was like, ‘You always have a beard,’ and he was like, ‘Well, I kind of have a weak chin.’” Realizing “it can change the shape of your face,” The Big Bang Theory star noted ...

Best known for popularizing the character of Spock, Nimoy has made countless cameos reprising the character, including on CBS' hit comedy "The Big Bang Theory." Perhaps his best appearance on the ...