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Thomas Mark Harmon was born in Burbank, California in 1951, and he wasn’t always in showbiz.

In fact, the now-star graduated cum laude from UCLA in 1974 as a communications major, per IMDb.

NCIS star Mark Harmon

In an interview withUSA Today, the actor admits he didn’t always get top-billing.

“The guys I played didn’t have names.

I was the cop, the farmer.”

The Love Boat, and the Laverne & Shirley show

In between Harmon’s early cop characters were also moments of comedic chutzpah that are often overlooked.

For example, in 1976,the star appeared on the mega-comedy hit “Laverne & Shirley.”

The show is set in the ’50s and ’60s and chronicles the comedic shenanigans of two single women.

Mark Harmon People and Playgirl magazine covers

Finally, the slow burn of his charismatic good looks officially caught fire.

So much so, in fact, the actor was featured in a series oflong-ago archived Coors Beer commercials.