Donald P. Bellisario is entering his 90s in style by staging the ultimate off-screen crossover event.

As creator of the original Quantum Leap (in 1989), JAG (in 1995) and the JAG offshoot NCIS (in 2003), and co-creator of the original Magnum, P.I. (in 1980), there was no shortage of stars to help Bellisario celebrate his 90th birthday on Sunday. And there are photos to prove it!

For one, we got the NCIS introduction we long have waited for, between badasses “Ziva David” and “Jessica Knight,” as Katrina Law shared photo booth snaps of her with franchise vet/upcoming NCIS: Tony & Ziva co-stars Cote de Pablo and Michael Weatherly. Plus, we got shots of NCIS co-stars Sean Murray, Brian Dietzen and portions of Gary Cole and Diona Reasonover. Related Stories

Cote de P

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