Gemma Arterton’s Slow Horses Replacement Officially Lands on MGM+ Next Week With 3.9 Million Viewers in the UK
Arterton’s MI6 investigation
In Secret Service, Arterton plays Kate Henderson, a senior MI6 agent who heads the Russia Desk. Her covert inquiry uncovers evidence that a senior U.K. politician may be a Russian asset.
The investigation puts Kate amid political loyalties and international threats, while personal sacrifices could affect both her career and the case. The thriller is inspired by Tom Bradby’s book.
U.S. debut on MGM+
The series is set to premiere on MGM+ on November 22, 2026, at 10/9c. The U.S. launch will also reach audiences in Canada, Latin America and Italy.
Arterton’s screen career
Arterton is known for playing Strawberry Fields in the 2008 James Bond film Quantum of Solace, a performance that earned her an Empire Award for Best Newcomer. Her other film credits include Clash of the Titans, Prince of Persia: The Sands of Time, Hansel & Gretel: Witch Hunters and The King’s Man.
She has also performed on stage and television. Secret Service gives her the lead role of a senior intelligence officer at the center of an international investigation.
Key points
- Secret Service stars Gemma Arterton as MI6 agent Kate Henderson.
- MGM+ will premiere the series on November 22, 2026, at 10/9c.
- The show’s first ITV1 episode drew 3.9 million viewers in April.
- The series will also be available in Canada, Latin America and Italy.