Ruaridh Aldington Joins 'Star Trek: Starfleet Academy' Season 2 as Alien Cadet Keats

British actor Ruaridh Aldington has joined the cast of Star Trek: Starfleet Academy Season 2 as a series regular. The news was announced at the Star Trek 60th anniversary panel at San Diego Comic-Con on July 25, 2026, by his new co-star Karim Diané.

Aldington will play the character Keats, a young alien the cadets encounter on an away mission. According to an official description from Paramount+, when the cadets make the risky decision to bring him back to Starfleet Academy, they realize he’s a wanted man, and his life is in danger.

Who Is Keats, and What Are the Season 2 Details?

Keats is described as a young alien with a mysterious backstory who joins the academy. The season will follow a new group of cadets who come together after The Burn, a pivotal event in the Star Trek timeline. Commander Chancellor Nahla Ake, played by Holly Hunter, returns to lead them, with Caleb Mir (Sandro Rosta) becoming central to her attempt to fix a past mistake. The villainous Nus Braka, portrayed by Paul Giamatti, is also expected to return.

Key confirmed details for Season 2 include:

• New Cast Member: Ruaridh Aldington as Keats
• Returning Stars: Holly Hunter, Sandro Rosta, Karim Diané, Kerrice Brooks, George Hawkins, Bella Shepard, and guest stars including Paul Giamatti
• Season Status: This will be the final season of the series
• Streaming Platform: The series streams exclusively on Paramount+ in the U.S
• Showrunners: Alex Kurtzman and Noga Landau serve as co-showrunners and executive producers

What Is 'Starfleet Academy' and Who Is Ruaridh Aldington?

Star Trek: Starfleet Academy is a Paramount+ original series that first aired in January 2026. Created by Gaia Violo, the show follows a young group of cadets as they navigate friendships, rivalries, first loves, and a new enemy that threatens the Academy and the Federation. The series is produced by CBS Studios in association with Secret Hideout and Roddenberry Entertainment.

Ruaridh Aldington is a London-based performer known for his work in the 2024 supernatural thriller Drained and the indie thriller Dirty Boy. His casting marks a significant step into a major franchise. The series also features a robust supporting cast including Robert Picardo as The Doctor, Tig Notaro as Jett Reno, and recurring guest star Gina Yashere.

Why This Casting Matters for the Final Season

Adding a new series regular in the show's final season introduces a fresh dynamic and raises the stakes. Keats's status as a wanted alien immediately creates external conflict for the cadets, complicating their mission of hope and optimism. Showrunners have previously teased that Season 2 will feature a new kind of villain and explore big concepts, suggesting Keats may be intertwined with these larger threats.

The announcement, made during a massive Hall H panel celebrating 60 years of Star Trek, signals the franchise's continued investment in expanding its universe on Paramount+ even as this particular chapter prepares to conclude.

When Will Season 2 Premiere and What's Next?

Paramount+ has not set a release date for Star Trek: Starfleet Academy Season 2. According to reporting, the season is expected to arrive in 2027. The premiere episode was written by series creator Gaia Violo and directed by executive producer Alex Kurtzman.

With production details still under wraps, the next major update for fans will likely come at events like New York Comic Con in October 2026. The series will run for 10 episodes in its final season, which showrunners have confirmed ends on a cliffhanger, written in the hope of future storytelling opportunities.

Critical Reception and Streaming Availability

According to IMDb, Star Trek: Starfleet Academy holds a user rating of 4.5 out of 10. The series carries a TV-PG content rating. As of July 2026, the show is available to stream in the U.S. on Paramount+, including its Premium and Essential tiers, as well as through the Paramount+ Apple TV and Roku Premium channels.

Its official premise describes a hopeful story where cadets navigate friendships and rivalries while facing a new enemy.

Sources

• Paramount+
• CBS Studios