Nocturne cast: Who stars alongside Stephen Graham in Apple TV drama?

Apple TV has done it again, releasing another gripping drama complete with a stellar cast of recognisable names.
The streamer has become synonymous with quality offerings over the years and Nocturne is set to sit comfortably in that canon, with episodes of the thriller being released weekly.
The new crime thriller is based on Lars Kepler's bestselling novels The Sandman and Lazarus, relocating the Scandinavian source material to a small town in western Pennsylvania. The action follows ex-soldier turned Philadelphia homicide detective Jonah Lynn (Liev Schreiber) whose life is upturned when the threat from a chilling serial killer looms large over the small quiet town he's recently moved to.
In a first for the British actor, Stephen Graham is actually taking on the role of the chilling killer and is joined by a raft of other talent. But who else stars in Nocturne? Here's a guide to the actors and characters appearing in the drama.
- Liev Schreiber as Jonah Lynn
- Zazie Beetz as Saga Bauer
- Stephen Graham as Jurek Walter
- Bill Camp as Dave Ellison
- Rory Culkin as Karl Anders
- Chrissy Metz as Ida Frost
- Gary Carr as Nathan Pollock
- Landon Valentin as TBC
- Poorna Jagannathan as TBC
Liev Schreiber as Jonah Lynn

About the character: Jonah is an ex-soldier turned Philadelphia homicide detective who relocates to a small town in western Pennsylvania in search of a quieter life. But when he crosses paths with serial killer Jurek Walter (Graham) once again, he races to find his last missing victim.
Where you've seen Liev Schreiber before: Schreiber is widely known as the title lead in the long-running crime drama Ray Donovan, and for playing Victor Creed in X-Men Origins: Wolverine. His other credits include the Oscar-winning Spotlight, the Scream franchise and more recently, Netflix's The Perfect Couple.
Zazie Beetz as Saga Bauer

About the character: Saga Bauer is a determined FBI agent who is a pro at going undercover. She's also Jonah's surrogate daughter and despite his initial reservations, Saga is put her directly in the path of Jurek.
Where you've seen Zazie Beetz before: Beetz broke through as Van in Donald Glover's acclaimed comedy-drama Atlanta and played Domino in Deadpool 2. She has also appeared in Joker and its sequel, as well as The Harder They Fall, Bullet Train and They Will Kill You.
Stephen Graham as Jurek Walter

About the character: Jurek Walter is a chilling serial killer who is now incarcerated at Riverside Psychiatric Hospital in a secure facility reserved for their worst offenders. Spending his days alone in his cell, Jurek's calm and calculated manner only adds more intrigue to those who are employed to observe him. But when his name becomes linked to current happenings in the town, confusion arises and the FBI are keen to nab him – if he is actually involved.
Where you've seen Stephen Graham before: Graham is one of Britain's most respected character actors, with recent acclaim for the Netflix drama Adolescence. This isn't the first time the Liverpudlian has adopted an American accent for a role, having starred in Boardwalk Empire, Band of Brothers and The Irishman. He is also known for his roles in This Is England, Line of Duty and Peaky Blinders, as well as A Thousand Blows, Boiling Point and The Walk-In.
Bill Camp as Dave Ellison

About the character: The local police chief, Dave oversaw the initial investigation into Jurek years prior and knows first-hand how his crimes reverberated across the town – and continue to do so.
Where you've seen Bill Camp before: A prolific stage and screen character actor, Camp is known for The Night Of, The Queen's Gambit and The Outsider, plus films including Lincoln, 12 Years a Slave and Joker.
Rory Culkin as Karl Anders

About the character: Karl works at Riverside as a general attendee, but due to his good performance and personable way with patients, he's soon redirected to work in the enclosed part of the hospital where Jurek resides.
Where you've seen Rory Culkin before: Culkin's credits span You Can Count on Me, Mean Creek and Lords of Chaos, as well as more recent television in Swarm, Black Mirror and Under the Banner of Heaven. He is the younger brother of fellow Hollywood actors Macaulay and Kieran Culkin.
Poorna Jagannathan as Quinn

About the character: Quinn is the new lead investigator intent on figuring out exactly how Jurek is linked to a current case. She's battling personal family issues of her own but is fiercely dedicated to her job and works with Jonah (despite his initial reservations) to try and reach their common end goal.
Where you've seen Poorna Jagannathan before: Jagannathan is best known as Nalini Vishwakumar, Devi's mother, across all four seasons of the Netflix comedy-drama Never Have I Ever. She also played Safar Khan in the HBO miniseries The Night Of and attorney Katie Richmond in Big Little Lies, with further credits including Delhi Belly, Better Call Saul, Ramy, Defending Jacob and most recently, Lanterns.
Chrissy Metz as Ida Frost

About the character: Metz plays Ida Frost, the mother of two local missing children whose life is more recently upturned further when new news comes to light.
Where you've seen Chrissy Metz before: Metz is best known as Kate Pearson in the hit NBC drama This Is Us, which earned her an Emmy and Golden Globes nominations. Her other work includes American Horror Story and the film Breakthrough. She was more recently seen in Bank of Dave 2: The Loan Ranger and The Hunting Wives.
Gary Carr as Nathan Pollock

About the character: Carr plays Nathan Pollock, an FBI agent working alongside Jonah, Saga and Quinn. He's often the neutral middle man when it comes to Saga and Jonah, who have an understandable short-hand but do have the tendency to lead with emotion.
Where you've seen Gary Carr before: UK viewers will recognise the British actor as Fidel Best in Death in Paradise and Jack Ross in Downton Abbey. He has also appeared in US dramas The Deuce, Genius and The Peripheral.
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Nocturne will be available to watch on Apple TV from Friday 30 October 2026. You can sign up to Apple TV for a seven-day free trial.
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