Jason Isaacs, Justine Lupe and Aja Naomi King Join Kevin Hart and Henry Cavill's Netflix Spy Comedy
Jason Isaacs, Justine Lupe and Aja Naomi King have joined the cast of Netflix's untitled Kevin Hart and Henry Cavill spy comedy, according to Variety (Variety, 18 August 2026).
The film pairs Hart and Cavill as two rival spies who cross paths in a Lamaze class. Their wives become fast friends. From there, the men's double lives collide in what the logline calls "unexpectedly hilarious and dangerous ways," forcing the pair to reluctantly become confidantes and partners on the road to fatherhood.
McG is directing. The screenplay carries a hefty roster of writers: Jonathan Tropper, Adam and Aaron Nee, and the sister duo Lizzie and Wendy Molyneux. Tropper has a long track record in action-comedy, having written the Magician novels and created the Cinemax series Banshee; the Nee brothers co-wrote and directed The Lost City (2022); the Molyneux sisters are writer-producers on Family Guy.
Isaacs is best known to audiences as Lucius Malfoy in the Harry Potter films and, more recently, as Timothy Ratliff in the second season of The White Lotus. Lupe starred opposite Kristen Bell in Netflix's romantic comedy series Nobody Wants This and played the personal assistant Willa in Succession. King earned an Emmy nomination for Lessons in Chemistry and is widely recognised from How to Get Away With Murder (Variety, 18 August 2026).
The producing credits stack four companies behind the project. Shawn Levy and Dan Levine produce through 21 Laps — the banner behind Stranger Things and Arrival. Ryan Reynolds, Ashley Fox and Johnny Pariseau produce through Maximum Effort, Reynolds' company. Hart produces with Luke Kelly-Clyne and Bryan Smiley under Hartbeat. McG also takes a producer credit. Executive producers include Emily Morris for 21 Laps, Aaron Edmonds for Hartbeat, Patrick Gooing for Maximum Effort, and John Scotti, Sean Lewis, Mary Viola and Josh McLaglen (Variety, 18 August 2026).
That Maximum Effort credit is worth noting: Reynolds' company, which he co-founded, has been active both as a producer and as a buyer of advertising inventory in and around film and television projects. His presence here puts him on the producer side of a project he is not starring in.
For Hart, the film extends a deep relationship with Netflix. His previous titles for the streamer include Lift, Me Time, The Man From Toronto and Fatherhood. His latest comedy, 72 Hours, premiered on Netflix in July (Variety, 18 August 2026).
For Cavill, the project marks another streaming-era swing after his turns in The Witcher for Netflix and Enola Holmes — also a Netflix title — in which he played Sherlock Holmes. The pairing of Hart's comic engine with Cavill's leading-man physicality gives the spy-comedy format two very different registers to bounce off each other.
Isaacs is represented by Strand Entertainment, Gersh and Independent Talent Group. Lupe is with CAA and Narrative PR. King is represented by Gersh, Door 24, Sloane, Offer, Weber and Dern LLP, and The Lede Company. No release date or production start has been announced.
