David Harbour, the celebrated "Stranger Things" star, has signed on of "John Rambo," a prequel exploring his origins to the legendary 1982 film "First Blood." Harbour will play Major Trautman, the commanding officer of the protagonist, in the film directed by Jalmari Helander, known for his work on "Sisu." Noah Centineo takes on the lead role of a youthful Rambo, the iconic solitary warrior, in a narrative preceding Sylvester Stallone's original film. Production on the project has been completed in Thailand, with Lionsgate set to distribute the film. The casting marks another significant addition to a project that has assembled...