Mark Strong (born Marco Giuseppe Salussolia; 5 August 1963) is a British actor. He is best known for his film roles such as Prince Septimus in Stardust (2007), Archibald in RocknRolla (2008), Lord Henry Blackwood in Sherlock Holmes (2009), Frank D'Amico in Kick-Ass (2010), Jim Prideaux in Tinker Tailor Soldier Spy (2011), Sinestro in Green Lantern (2011), George in Zero Dark Thirty (2012), Major General Stewart Menzies in The Imitation Game (2014), Merlin in Kingsman: The Secret Service (2014) and Kingsman: The Golden Circle (2017), Dr. Thaddeus Sivana in Shazam! (2019), and John in Cruella (2021). Description above from the Wikipedia article Mark Strong, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Mark Strong plays as Carmine Falcone in The Penguin.
Mark Strong is the top #1 member of the cast and appears in 5 episodes.

Michael Jonathan Zegen (born February 20, 1979) is an American actor. He is best known for his roles in the television series Rescue Me (2004–2011), Boardwalk Empire (2011–2014), and The Marvelous Mrs. Maisel (2017–2023). Zegen was born to a teacher mother and a lawyer father, and lived in Glen Rock, New Jersey, before moving to nearby Ridgewood when he was five. He has two brothers. He is Jewish. His mother was born in Austria in a displaced persons' camp, and his maternal grandparents were Holocaust survivors from Ukraine and Poland. He attended Ridgewood High School, where he was active in the school's theater program. Zegen is a 2001 graduate of Skidmore College. His role on Rescue Me began as a recurring character in seasons 1–3, playing the nephew of series lead Tommy Gavin (Denis Leary). In seasons 5–6, he was promoted to the main cast when his character began probationary firefighter school to become a firefighter. In 2010, Zegen was cast as gangster Bugsy Siegel for the second, third, and fifth season of the HBO series, Boardwalk Empire. In 2011, Zegen, along with James Ransone, was cast in supporting roles in the HBO comedy series How To Make It In America. In mid-2011, Zegen was cast in a recurring guest role in the second season of the AMC series The Walking Dead. In 2014 he created the role of Liam off-Broadway in the dark comedy Bad Jews. Zegan made his Broadway debut in A View from the Bridge in 2015. In 2017, Zegen played Joel Maisel in The Marvelous Mrs. Maisel. For the role he has won two Outstanding Performance by an Ensemble in a Comedy Series awards from the Screen Actors Guild. He returned to Broadway in 2021 to star in Trouble in Mind by Alice Childress.

Michael Zegen plays as Alberto Falcone in The Penguin.
Michael Zegen is the top #2 member of the cast and appears in 5 episodes.

Colin James Farrell (born May 31, 1976) is an Irish actor. A leading man in blockbusters and independent films since the 2000s, he has received numerous accolades, including two Golden Globe Awards and a nomination for an Academy Award. The Irish Times' named him Ireland's fifth-greatest film actor in 2020. Farrell began acting in the BBC drama series Ballykissangel (1998) and had his film debut in the drama The War Zone (1999). His first lead film role was in the war drama Tigerland (2000), and he had his breakthrough with Steven Spielberg's science fiction film Minority Report (2002). He took on high-profile roles as Bullseye in Daredevil (2003) and Alexander the Great in Alexander (2004), and further starring roles in Michael Mann's Miami Vice (2006) and Woody Allen's Cassandra's Dream (2007). Farrell earned acclaim for playing a rookie hitman in Martin McDonagh's comedy In Bruges (2008), winning a Golden Globe Award for Best Actor. He went on to play a variety of leading and character roles in the comedy Horrible Bosses (2011), the science fiction film Total Recall (2012), the black comedy Seven Psychopaths (2012), the drama Saving Mr. Banks (2013), the dark comedies The Lobster (2015) and The Killing of a Sacred Deer (2017), the gothic thriller The Beguiled (2017), and the fantasy film Dumbo (2019). He also starred in the second season of HBO's thriller series True Detective (2015). Farrell has also played Percival Graves in the fantasy film Fantastic Beasts and Where to Find Them (2016) and Penguin in the superhero film The Batman (2022). Also in 2022, Farrell gained acclaim for his roles in the science fiction drama After Yang, the survival film Thirteen Lives, and McDonagh's drama The Banshees of Inisherin. For playing a naive Irishman in the lattermost, he won the Volpi Cup for Best Actor and another Golden Globe, in addition to a nomination for the Academy Award for Best Actor.

Colin Farrell plays as Oz 'The Penguin' Cobb in The Penguin.
Colin Farrell is the top #3 member of the cast and appears in 5 episodes.

While still an adolescent, Carmen Ejogo made her feature film debut in the musical, "Absolute Beginners" (1986). Her big break came when she was cast in the title role of the television movie, "Sally Hemings: An American Scandal" (2000). Since that time she has built an impressive body of work in both feature films and on television.

Carmen Ejogo plays as Eve Karlo in The Penguin.
Carmen Ejogo is the top #4 member of the cast and appears in 5 episodes.

Cristin Milioti (born August 16, 1985) is an American actress. She is known for playing Tracy McConnell in the CBS sitcom How I Met Your Mother from 2013 to 2014, and for her work in theater productions such as That Face, Stunning, and the Tony Award-winning musical Once, for which she won a Grammy Award and was nominated for a Tony Award. She has also played Teresa Petrillo Belfort in the 2013 film The Wolf of Wall Street, Sarah Wilder in the 2020 film Palm Springs, Betsy Solverson in the second season of Fargo (2015), Hazel Green in the HBO Max comedy series Made for Love (2021–2022), and Emma in the Peacock black comedy mystery series The Resort (2022-).

Cristin Milioti plays as Sofia Falcone in The Penguin.
Cristin Milioti is the top #5 member of the cast and appears in 5 episodes.

Michael Joseph Kelly (born May 22, 1969) is an American actor.

Michael Kelly plays as Johnny Viti in The Penguin.
Michael Kelly is the top #6 member of the cast and appears in 5 episodes.

Shohreh Aghdashloo (born May 11, 1952) is an Iranian American actress. After establishing a theatre and film career in Iran, Aghdashloo moved to England during the Iranian Revolution in 1979, and subsequently became a citizen of the United States. After several years playing supporting roles in television and film, her performance in House of Sand and Fog (2003) brought her several film critics' awards and a nomination for an Academy Award for Best Supporting Actress. She has continued to play supporting and character roles in film and television and won an Emmy Award for her work in the television drama House of Saddam (2008). Description above from the Wikipedia Shohreh Aghdashloo, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Shohreh Aghdashloo plays as Nadia Maroni in The Penguin.
Shohreh Aghdashloo is the top #7 member of the cast and appears in 5 episodes.

Clarence John Brown III (born January 5, 1959) is an American film, television and voice actor. He is known for his roles as the Kurgan in Highlander (1986), Captain Byron Hadley in The Shawshank Redemption (1994), Sergeant Charles Zim in Starship Troopers (1997), Brother Justin Crowe on the HBO series Carnivàle (2003–2005), Waylon "Jock" Jeffcoat on the Showtime series Billions (2018–2019) and Stanley Thomas in Promising Young Woman (2020). His voice-over work includes Lex Luthor in the DC Animated Universe and various unrelated DC media, Doctor Neo Cortex in the Crash Bandicoot franchise (1997–2003), Mr. Krabs on SpongeBob SquarePants (1999–present), Surtur in Thor: Ragnarok (2017) and Lt. Hank Anderson in Detroit: Become Human (2018).

Clancy Brown plays as Salvatore Maroni in The Penguin.
Clancy Brown is the top #8 member of the cast and appears in 5 episodes.

Rhenzy Feliz plays as Victor Aguilar in The Penguin.
Rhenzy Feliz is the top #9 member of the cast and appears in 5 episodes.

Deirdre O'Connell is an American character actress who has worked extensively on stage, screen, and television. O'Connell began her career at Stage One, an experimental theatre at the Boston Center for the Arts. She made herBroadway debut in the 1986 revival of The Front Page, and was nominated for the 1991 Drama Desk Award for Outstanding Featured Actress in a Play for her performance in the off-Broadway production Love and Anger. She is the recipient of two Drama-Logue Awards and a Los Angeles Drama Critics Circle Award for her stage work in Los Angeles. O'Connell made her screen debut in Tin Men. Additional film credits include State of Grace, Straight Talk, Leaving Normal,Fearless, City of Angels, Hearts in Atlantis, Imaginary Heroes, Eternal Sunshine of the Spotless Mind, Wendy and Lucy,What Happens in Vegas, Secondhand Lions, and Synecdoche, New York. O'Connell's first television credit was Fernwood 2 Night in 1977. She was a regular on L.A. Doctors and has made numerous guest appearances on series such as Kate & Allie, Chicago Hope, Law & Order, The Practice, Six Feet Under,Law & Order: Criminal Intent, and Nurse Jackie. (Wikipedia)

Deirdre O'Connell plays as Francis Cobb in The Penguin.
Deirdre O'Connell is the top #10 member of the cast and appears in 5 episodes.