AMC's horror series, Talamasca: The Secret Order, is set to premiere on October 26, 2025, and will also get an early premiere release on October 19, 2025. Based on Anne Rice's The Vampire Chronicles, the horror series will revolve around the secret and ancient organization, Talamasca, who keep the supernatural and the human world in balance.
In the series, Nicholas Denton's character, Guy Anatole, will learn about being followed by Talamsca agents. The series will focus on how he will get entangled in the supernatural world and learn more about his mother and himself. With a stellar cast and powerful narrative, the horror series will surely become the next popular supernatural series.
Let's explore the cast and character guide of Talamasca: The Secret Order.
Talamasca: The Secret Order cast and character guide

Talamasca: The Secret Order is the third show set in the Immortal Universe, and will also see several characters from Interview with the Vampire in the new series. It will explore more about the spy organization and its inner workings.
Here is the cast and character guide of Talamasca: The Secret Order:
1) Nicholas Denton as Guy Anatole
Denton's character, Guy, is the main protagonist in Talamasca: The Secret Order. He learns about the Talamasca tracking him since his childhood and enters the world of supernatural and secret agents, which changes his life. He also learns about his mother's mention in Daniel's memoir and wants to know why he was involved in all of it.
The Australian actor has also appeared in Glitch, Dangerous Liaisons, and films such as Holding the Man.
2) Elizabeth McGovern as Helen
McGovern's character, Helen, is a veteran agent of Talamasca and also the head of the New York motherhouse. After a mysterious death, she thinks that the London motherhouse was compromised and wants to hire Guy to work for Talamasca.
The American actress is known for portraying the character of Cora in Downton Abbey. She has also appeared in TV shows such as War of the Worlds, Three Moons over Milford, and films like The Wife, Clash of the Titans, and Ordinary People.
3) William Fichtner as Jasper
As thought by McGovern's character Helen in Talamasca: The Secret Order, the London house was compromised and in control of a charming vampire named Jasper, played by William Fichtner.
The veteran actor is known for playing the character of Alexander Mahone in Prison Break. Apart from that, he has also appeared in TV shows such as The Company You Keep, Mom, and Crossing Lines. His filmography also includes popular movies such as Armageddon, Heat, Black Hawk Down, and Crash, among others.
4) Maisie Richardson-Sellers as Olive
Maisie's character, Olive, is a secret agent working for Talamasca. She is also Guy's American handler. Olive is described as a smart and ambitious spy who might also help Guy in navigating in the world of terrifying horrors.
The British actress has been part of numerous fan-favorite TV shows, such as The Originals, Legends of Tomorrow, and Nine Perfect Strangers, among others.
5) Céline Buckens as Doris
Buckens plays Doris in the AMC horror series. She is described as an 'old soul' and lives in a houseboat with a coven of witches.
The Belgian-British actress was previously seen on Bridgerton, The Castaways, Free Rein, and Suspect, among others.
Supporting cast and character guide of Talamasca: The Secret Order
The supporting cast and character guide of Talamasca: The Secret Order are as follows:
- Jason Schwartzman as Burton
- Eric Bogosian as Daniel Molloy
- Justin Kirk as Raglan James
- Matthew Steer as Loren
- Flora Montgomery as Sylvia
- Chidi Ajufo as Von
- Karl Cam as Jimmy Cupid
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