This 5 time Emmy award-winning sitcom star is well-known for his eloquent voice, and his starring role in a hit high brow comedy. What he’s not known for is his much scruffier appearance as Captain Morgan Bateson in The Next Generation. Which star was on Star Trek before he was famous?

Its Kelsey Grammer!

in Star Trek: The Next Generation

Season 5; Episode 18

Cause and Effect”  (1992)

as Captain Morgan Bateson

Best known for: “Cheers” (Dr. Frasier Crane) , “Frasier” (Dr. Frasier Crane), “The Simpsons” (Sideshow Bob), and “Boss” (Mayor Tom Cane)