Kasia Smutniak (born Katarzyna Anna Smutniak on 13 August 1979) is a Polish born actress. She starred in the movie From Paris with Love. She was born in Piła, Wielkopolskie, Poland. She speaks fluent Polish, Russian, English and Italian. Description above from the Wikipedia article Kasia Smutniak, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Kasia Smutniak plays as Livia Drusilla, Livia in Devils.
Kasia Smutniak is the top #1 member of the cast and appears in 16 episodes.

Patrick Galen Dempsey (born January 13, 1966) is an American actor, known for his role as neurosurgeon Dr. Derek Shepherd ("McDreamy") on the medical drama Grey's Anatomy. Prior to Grey's Anatomy, he made several television appearances, earning him an Emmy Award nomination. He has also recently appeared in several films, including Sweet Home Alabama, The Emperor's Club, Freedom Writers, Enchanted, Made of Honor, and Valentine's Day. Description above from the Wikipedia article Patrick Dempsey, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Patrick Dempsey plays as Dominic Morgan in Devils.
Patrick Dempsey is the top #2 member of the cast and appears in 10 episodes.

Alessandro Borghi (born 19 September 1986) is an Italian actor. He has appeared in more than twenty films since 2006. He is part of the main cast of Suburra and Suburra: Blood on Rome. He won the David di Donatello for Best Actor in 2019 for his portrayal of building surveyor Stefano Cucchi, a victim of police brutality, in the film On My Skin. Source: Article "Alessandro Borghi (actor)" from Wikipedia in english, licensed under CC-BY-SA 3.0.

Alessandro Borghi plays as Massimo Ruggero in Devils.
Alessandro Borghi is the top #3 member of the cast and appears in 10 episodes.

Laia Costa (born 18 February 1985) is a Catalan film and television actress, best known for playing the title role in the one-take feature film Victoria, for which she became the first foreign actress to win a Lola, the biggest award by German Academy of Cinema. She also won Best Actress at the Gaudí Awards by the Catalan Academy of Cinema, and was nominated for Best European Actress in the European Film Awards.

Laia Costa plays as Sofia Flores in Devils.
Laia Costa is the top #4 member of the cast and appears in 10 episodes.

Harry Michell plays as Paul McGinnan in Devils.
Harry Michell is the top #5 member of the cast and appears in 10 episodes.

Tajpaul Singh Chowdhry, better known as Paul Chowdhry, is an English comedian of Indian descent. He began his stand up career in 1998 and hosted the Channel 4 comedy series Stand Up for the Week as of the fifth series, having been a regular act for the third and fourth series. Chowdhry was the first British act to perform at the Caribbean Comedy Festival in Trinidad in 2003. He has been a guest panelist on 8 out of 10 Cats, Comedy World Cup, and Sorry, I Didn't Know. He has appeared on Live at the Apollo twice, in 2012 and 2015. In 2016, he was one of the contestants on series three of the comedy show Taskmaster. In 2017, he was a guest stand-up performer in The Russell Howard Hour. In 2020, Chowdhry appeared in the television drama series Devils. Since 2021, he has been hosting the podcast The Paul Chowdhry PudCast, in which he interviews comedians. He uses the signature phrase "what's happening white people?" at the start of his stand-up routines.

Paul Chowdhry plays as Kalim Chowdhrey in Devils.
Paul Chowdhry is the top #6 member of the cast and appears in 10 episodes.

Pia Mechler is a German born actress, director and author. Mechler studied acting at the European Film College in Denmark. She graduated in 2005 with a diploma. After graduating Mechler moved to Berlin. There she also worked with the drama teacher Kristiane Kupfer and attended workshops in voice training. Wikipedia

Pia Mechler plays as Eleanor Bourg in Devils.
Pia Mechler is the top #7 member of the cast and appears in 10 episodes.

Malachi Kirby plays as Oliver Harris in Devils.
Malachi Kirby is the top #8 member of the cast and appears in 10 episodes.

Lars Mikkelsen plays as Daniel Duval in Devils.
Lars Mikkelsen is the top #9 member of the cast and appears in 10 episodes.

Lorna Brown plays as Cal in Devils.
Lorna Brown is the top #10 member of the cast and appears in 6 episodes.