Actor Jack Scalia -- who starred on "Dallas" back in the 80s -- was arrested at LAX this afternoon for trying to bring a gun onto an airplane, TMZ has learned.
LAX police tell TMZ, Scalia was popped at the security checkpoint at Terminal 7 when TSA agents discovered he had a 9mm Glock in his carry-on bag. The gun was NOT loaded.
Upon searching him, LAX police tell us, TSA agents also discovered a novelty police badge in his pocket.
Scalia is still in custody.
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