Tom Hiddleston plays Captain James Conrad in Kong: Skull Island, the tracker Bill Randa hires to guide the survey team across the island. He was the first actor attached to the film. Variety and Deadline reported in September 2014 that Legendary had set him to star with Jordan Vogt-Roberts directing, before the project took its final title.
Samuel L. Jackson as Lieutenant Colonel Preston Packard
Samuel L. Jackson plays Lieutenant Colonel Preston Packard in Kong: Skull Island, the officer who commands the Army helicopter unit escorting the expedition. Deadline reported in August 2015 that Legendary was in early talks with him for the role J.K. Simmons had vacated, and a Deadline casting report the following month listed him in the cast.
John Goodman plays Bill Randa in Kong: Skull Island, the Monarch official who persuades the government to fund the 1973 survey of the island. Deadline reported his casting on September 25, 2015, describing the part as a government official who leads the expedition. The Hollywood Reporter later noted that Cate Randa in Monarch: Legacy of Monsters is this character's granddaughter.
Brie Larson plays Mason Weaver in Kong: Skull Island, the antiwar photographer who joins the survey alongside Captain James Conrad. Trade reports in July 2015 said she was set to star opposite Tom Hiddleston, with Variety describing her as in talks for the part. She is billed fourth in the TMDB credits, after Hiddleston, Samuel L. Jackson and John Goodman.
Jing Tian as San Lin
Jing Tian plays San Lin in Kong: Skull Island and is billed fifth in the TMDB credits. Deadline listed her among the principal cast in October 2015, when it reported the production heading to Australia's Gold Coast. The Hollywood Reporter later described her as a Chinese actress who made her English language debut opposite Matt Damon in The Great Wall before she joined Legendary's Pacific Rim sequel.
John Ortiz plays Victor Nieves in Kong: Skull Island and is billed seventh in the TMDB credits. Deadline reported in October 2015 that Ortiz and Shea Whigham had joined the cast together. Theirs was one of the last rounds of supporting additions, at a time when The Hollywood Reporter was reporting a shoot that would take in Hawaii, Australia and Vietnam.
Corey Hawkins as Houston Brooks
Corey Hawkins plays Houston Brooks in Kong: Skull Island and is billed eighth in the TMDB credits. Variety reported his casting as an exclusive in 2015. It said he was in negotiations to join Tom Hiddleston and Brie Larson and was reuniting with Legendary after Straight Outta Compton, in which he played Dr. Dre.
Jason Mitchell as Glenn Mills
Jason Mitchell plays Glenn Mills in Kong: Skull Island, a pilot in Lieutenant Colonel Preston Packard's helicopter unit. The Hollywood Reporter reported his casting as an exclusive in 2015 and said he would play an easygoing pilot, which put him back alongside Corey Hawkins after the two starred together in Straight Outta Compton. Variety later named both actors among the film's stars when it reported the move to Warner Bros.
Shea Whigham plays Earl Cole in Kong: Skull Island, a member of Lieutenant Colonel Preston Packard's helicopter unit. Deadline reported in October 2015 that Whigham had signed on alongside John Ortiz, as the supporting roles around Samuel L. Jackson's commander were filled before production began. TMDB bills him tenth, directly ahead of Thomas Mann and just behind Jason Mitchell.
Thomas Mann as Reg Slivko
Thomas Mann plays Reg Slivko in Kong: Skull Island, a soldier in Lieutenant Colonel Preston Packard's unit. Variety reported his casting as an exclusive in 2015, during the run of fall signings that also brought in John Goodman, John Ortiz and Shea Whigham. TMDB bills him eleventh, followed by Terry Notary, credited with Kong motion capture services, at twelfth and John C. Reilly at thirteenth.
John C. Reilly as Hank Marlow
John C. Reilly plays Hank Marlow in Kong: Skull Island, a World War II pilot who crashed on the island in 1944 and has lived there ever since. Deadline reported in August 2015 that he topped a short list for the role Michael Keaton had left over scheduling. In the TMDB credits, Will Brittain plays the younger version of the character as Young Marlow / Marlow's Son.
Marc Evan Jackson as Steve Woodward
Marc Evan Jackson plays Steve Woodward in Kong: Skull Island and is billed fourteenth among the 40 cast members listed on TMDB, directly after John C. Reilly. He is one of two Jacksons in the credits (the other is Samuel L. Jackson), which is worth knowing if you are searching the cast list for either actor by surname.