TV fans know actor Ken Berry for his roles on the sitcoms “F Troop” and “Mama’s Family.” Berry started his showbiz career in the 1950s after a stint in the U.S. Army Reserve, where his sergeant urged him to audition for TV roles. That sergeant would become a TV star himself, in what iconic role?

A) Mr. Spock on “Star Trek”

B) Lou Grant on “The Mary Tyler Moore Show”

C) Sgt. Friday on “Dragnet”

D) Ben Cartwright on “Bonanza”

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