It's Scott Bakula on NCIS! He portays a former colleague of Gibbs.
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When a bomb threatens a terror event, the NCIS team must figure out if the target is someone on stage or is there more to this story. Will Tony end up between a "Rock and a Hard Place"
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Has Tony been assigned babysitting duty for an aging '80s rocker who might be a target on NCIS?
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It's a military charity concert but that doesn't explain what Tony is doing up on stage on NCIS, set to air Tuesday, March 18th.
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We're on the scene here with the NCIS team. The crime scene, that is, on the episode "Rock and a Hard Place."
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We're at a crime scene on "Dressed to Kill" for this NCIS photo, courtesy of Episode 250.
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Come on, dad! Tony and his father are featured in this scene from the NCIS installment "Dressed to Kill."
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Like father, like son? Tony is reunited with his dad on the NCIS episode "Dressed to Kill."
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NCIS Quotes

McGee: All right. Well you should probably know that Abby and I used to date?
Bishop: Ew. Like, each other?
McGee: Yeah.
Bishop: Wait - isn't that a violation of rule 12, never date a....
McGee: It was a long time ago. After we'd broken up, one night I went to her lab. Found a scribbled piece paper; a list. Potential boyfriends had to fulfill certain conditions by a pre-arranged date or else, goodbye.
Bishop: Such as.
McGee: Things started off relatively normal: opening the door for her, flowers, putting the seat down. Then around number 8, it gets uh...
Bishop: What?
McGee: Does she know you have these?
Bishop: Does she know you have these?
McGee: Yeah she wasn't happy when she found out.
Bishop: These are all very specific.
McGee: Yeah.
Bishop: These ideas apply to you?
McGee: No those rules weren't in place when we were together. At least I don't think so.
Bishop: What's with the two month cutoff? Abby's sabotaging herself. I've seen stuff like this before. We have to talk to her.

McGee: Rule number 70 - keep digging till you hit bottom.
Abby: McGee! There is no rule 70.
McGee: Well, I--
Abby: You just made up a rule. This McGibbs thing has really gone to your head. I don't even recognize you right now.