Fans were floored earlier this year when CBS confirmed the NCIS franchise would bring together all three ongoing series for an epic crossover event in 2023. As filming for the episodes continues, Nicolas Torres star Wilmer Valderrama has confirmed stars from NCIS: Hawaii and NCIS: Los Angeles have been on set in his latest peek behind the scenes on his Instagram page.Wilmer has confirmed key cast members from all three series in the NCIS franchise are currently on set for the upcoming crossover.The special NCIS event was announced earlier this year and is set to kick off the new year with an expected broadcast date in January.Viewers have been left speculating which of their favourite agents will be making an appearance in the episodes as several members of the teams have yet to meet on-screen.The star best known for portraying Agent Torres has now seemingly confirmed a full cast list for the episode in his latest Instagram Story.READ MORE: Penny Lancaster in tears recalling Rod Stewart health update reaction NCIS crossover: Wilmer Valderrama confirms huge cast in behind-the-scenes sneak peek (Image: CBS) NCIS: Wilmer has released a new sneak peek at the upcoming crossover (Image: CBS) NCIS: Next year’s crossover will bring together key members of the NCIS team (Image: CBS)Plus, Brian Dietzen, Sean Murray and, of course, Wilmer himself, will also have a front row seat for the team’s next mission as Dr Jimmy Palmer, Tim McGee and Torres.Finally, Wilmer asked his new co-star, Gary Cole, to reveal his name on the chair he was sitting on, confirming new team leader Alden Parker will also be on board.For now, this is one of the most comprehensive official cast lists for the upcoming episodes, although fans can also expect plenty of other familiar faces to pop up.In an earlier post, Wilmer posed for a selfie with a huge array of co-stars from the other NCIS spin-offs, many of whom weren’t referenced in his latest post.DON’T MISS:The White Lotus’ Theo James lands major Netflix role [NEWS]Yellowstone’s Jamie Dutton star addresses injury at season 5 premiere [INTERVIEW]Law and Order’s Stabler forced to take down love interest [THEORY]He captioned the snap: ‘Gonna go ahead and leave this ‘first time ever’ over here.’Three’s Company? Or three #NCIS teams joining for one epic case? Coming soon….’NCIS: LA agents Hanna and Callen were present, but so were Eric Christian Olsen, Daniela Ruah, Medalion Rahimi and Gerald McRaney.This confirms Marty Deeks, Kensi Blye, Fatima Namazi and Admiral Hollace Kilbride will all appear, though Hetty Lange (Linda Hunt) still appears to be missing in action.