The movie follow-up to Prime Video’s hit seriesTom Clancy’s Jack Ryanhas added its first new cast member. The four-season series, based onTom Clancy’s Ryanverse novels, follows the titular character, Jack Ryan (John Krasinski), as he navigates high-stakes geopolitical threats and espionage. With its modernized narrative, the spy show has earned critical acclaim for Krasinski’s character-driven portrayal of the intelligence officer and ranks among Prime Video’s most-watched shows globally.
The upcomingJack Ryanmovie, produced by Amazon MGM Studios,promises to expand the Ryanverse beyond the television series. Directed by series alum Andrew Bernstein and penned by season 4 writer Aaron Rabin, the feature film will reportedly include familiar faces from the series while introducing new characters to the fold. Details surrounding the plot remain classified, but Krasinski is more than ready to followevery past actor who played Jack Ryanin his first feature film as the nominal character.

Sienna Miller Joins The Cast Of The Jack Ryan Movie
Miller Will Play Krasinski’s British Counterpart
According toThe Hollywood Reporter,Sienna Miller has joined the cast of theJack Ryanfeature film. The award-nominated actor, who recently starred in Kevin Costner’s epic Western dramaHorizon: An American Saga, will portray an MI6 agent—the British counterpart to Krasinski’s Jack Ryan. The casting marks the first major new addition to the film’s lineup, which will also see the return of Wendell Pierce (The Wire) as James Greer and Michael Kelly (House of Cards) as Mike November.
All 20 Of Jack Ryan’s Job Titles & Roles In Every Movie & TV Show
From intelligence analyst and professor to field agent and acting deputy director, Jack Ryan has had plenty of jobs and titles across all adaptations.
Miller brings an impressive resume to the project.Beginning as aVoguemodel in the early 2000s, the actor transitioned into film projects with the British crime dramaLayer Cakeand her portrayal of socialite Edie Sedgwick inFactory Girl. Miller continued her dip intoaction moviesas a gangster’s mistress in Ben Affleck’sLive By Nightand as a narcotics detective in21 Bridges. In the upcomingJack Ryanfilm, Miller’s character is expected to introduce an exciting new layer to the franchise, as the CIA and MI6 collaborate on an undisclosed global crisis.

Our Take On Sienna Miller Joining The Jack Ryan Movie
The Actor Is A Perfect Fit For Ryan’s Next Assignment
Miller’s casting adds a fresh face to theJack Ryanfranchise. As an award-nominated actor capable of delivering emotional depth and physical intensity,Miller is an excellent choice to counterbalance Krasinski’s established take on Ryan. Her role as an MI6 agent not only expands the narrative’s global scope but also opens up new possibilities for the franchise to explore international cooperation and conflict. With Krasinski, Miller, and returning cast members on board, theJack Ryanfeature promises to be a thrilling continuation of the Ryanverse.
Jack Ryan
TheJack Ryanfranchise is a series of political action-thriller films and a television series based on the character created by Tom Clancy. Jack Ryan is a CIA analyst who often finds himself thrust into dangerous field assignments, dealing with geopolitical threats and international espionage. The franchise is known for its portrayal of complex global conflicts and has seen multiple actors take on the role of Jack Ryan, making it one of the most enduring and adaptable series in the spy genre.
