The Beast Must Die (TV) Cast
The cast of The Beast Must Die. Updated on June 18, 2025.
6 actors
Cush Jumbo
as Frances Cairnes (5 episodes)

Cush Jumbo portrays the character of Frances Cairnes in The Beast Must Die. Frances is a grieving mother seeking revenge for the death of her son.

Jared Harris
as George Rattery (5 episodes)

Jared Harris plays the role of George Rattery in The Beast Must Die. George is a wealthy and influential businessman who becomes the target of Frances' investigation.

Billy Howle
as Nigel Strangeways (5 episodes)

Billy Howle portrays Nigel Strangeways in The Beast Must Die. Nigel is a detective who assists Frances in her quest for justice.

Nathaniel Parker
as Blount (5 episodes)

Nathaniel Parker takes on the character of Blount in The Beast Must Die. Blount is a mysterious and enigmatic figure with connections to George Rattery.

Mia Tomlinson
as Lena (5 episodes)

Mia Tomlinson plays the role of Lena in The Beast Must Die. Lena is a young woman who becomes entangled in Frances' search for the truth.

Manjinder Virk
as Liz Jerwood (2 episodes)

Manjinder Virk portrays Liz Jerwood in The Beast Must Die. Liz is a police officer who becomes involved in the investigation surrounding Frances' son's death.

For the best insights and data about the TV show The Beast Must Die, visit our main The Beast Must Die page.