John Rambo: New Film Adds David Harbour To Cast - Bleeding Cool
David Harbour has been cast in the Rambo prequel film now in production at Lionsgate. He will be playing Major Trautman.
bleedingcool.comHere’s the latest I can share based on recent reporting.
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David Harbour has been reported to join the John Rambo prequel as Major Trautman, with Noah Centineo cast as the younger John Rambo. The casting was widely covered in mid-April 2026 by multiple outlets, and Variety is among the notable confirmations shaping the story so far. [cite ][cite ]
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The project, directed by Jaume Collet-Serra (as sources indicate), is described as a Rambo origin story set before the events of the first film. Reports place Harbour’s Trautman as a mentor figure within the prequel’s timeline. [cite ][cite ]
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Several outlets note that filming for the film wrapped in Thailand around March 2026, with Harbour’s casting appearing after principal photography had concluded. Details vary slightly by outlet, but the core claim is Harbour joining the cast as Trautman in the John Rambo prequel. [cite ][cite ]
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If you’re looking for a quick snapshot: Harbour plays Major Trautman, the senior officer connected to Rambo, in the prequel titled John Rambo, while Centineo portrays a younger Rambo. The project is part of a push to expand the Rambo universe with a prequel timeline. [cite ][cite ]
Would you like a concise timeline of announcements from major outlets with direct quotes, or a focused recap of who’s attached (cast/crew) and what each source says? I can also pull together a short list of coverage in the order they emerged.[4][6][8]