17 Stars We Forgot Were on 'Star Trek'

There are many stars in the universe – by sheer chance, some of those are bound to have inhabited planets, or end up getting a guest spot in ‘Star Trek.' We can't really talk about the former, but many cases of the latter are well documented – these, for example.
Dwayne "The Rock" Johnson

Sources: Memory Alpha, Scene on YouTube
Jason Alexander

Sources: Memory Alpha, Interview on YouTube
Kelsey Grammer

Sources: Memory Alpha, Scene on YouTube
Paul Sorvino

Sources: Memory Alpha, Scene on YouTube
Christian Slater

Sources: Memory Alpha, Scene on YouTube
Adam Scott

Sources: Memory Alpha, Scene on YouTube
Kurtwood Smith

Source: Memory Alpha
Jeffrey Dean Morgan

Source: Memory Alpha
Mick Fleetwood

Source: Memory Alpha
Photo Credit: Ralph_PH/Wiki Commons
Famke Janssen

Sources: Memory Alpha, Scene on YouTube
Teri Hatcher

Sources: Memory Alpha, Scene on YouTube
Ashley Judd

Source: Memory Alpha
Seth MacFarlane

Sources: Memory Alpha, Scene on YouTube
Iggy Pop

Sources: Memory Alpha, Scene on YouTube
Michael McKean

Sources: Memory Alpha, Scene on YouTube
Sarah Silverman

Sources: Memory Alpha, Scene on YouTube
Vanessa Williams

Source: Memory Alpha