Ricky Whittle (born 23 November 1981) is a British actor from Oldham, Greater Manchester. Description above from the Wikipedia article Ricky Whittle, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Ricky Whittle plays as Shadow Moon in American Gods.
Ricky Whittle is the top #1 member of the cast and appears in 20 episodes.

Ian David McShane (born 29 September 1942) is an English actor. Although he has appeared in numerous films, it is by his television roles that he is generally known, starting with the BBC's Lovejoy (1986–94) and particularly in the HBO Western drama Deadwood (2004–06). He starred as King Silas Benjamin in NBC series Kings and as Blackbeard in Pirates of the Caribbean: On Stranger Tides. Description above from the Wikipedia article Ian McShane, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Ian McShane plays as Mr. Wednesday in American Gods.
Ian McShane is the top #2 member of the cast and appears in 20 episodes.

Emily Jane Browning (born 7 December 1988) is an Australian actress and singer. Browning made her film debut in the Australian television film The Echo of Thunder; subsequently, she played recurring roles in the Australian television shows Blue Heelers and Something in the Air. Her breakthrough role was in the 2002 horror film Ghost Ship, which introduced her to a wider audience. In 2005, Browning won the Australian Film Institute International Award for Best Actress for her portrayal of Violet Baudelaire in the film Lemony Snicket's A Series of Unfortunate Events (2004). Browning is also known for her roles in the horror film The Uninvited (2009), the action film Sucker Punch (2011), and the independent drama Sleeping Beauty (2011). She was named the Breakthrough Performer of The Year by Hamptons International Film Festival in 2011 for her role in Sleeping Beauty. Her other films include The Host (2013), Pompeii (2014) and Legend (2015). She is currently starring as Laura Moon on American Gods. Description above from the Wikipedia article Emily Browning, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Emily Browning plays as Laura Moon in American Gods.
Emily Browning is the top #3 member of the cast and appears in 20 episodes.

Bruce Langley plays as Technical Boy in American Gods.
Bruce Langley is the top #4 member of the cast and appears in 20 episodes.

Yetide Badaki plays as Bilquis in American Gods.
Yetide Badaki is the top #5 member of the cast and appears in 20 episodes.

Pablo Tell Schreiber (born April 26, 1978) is a Canadian actor known for his dramatic stage work and for his portrayal of Nick Sobotka on The Wire and for his Emmy nominated role of George Mendez on Orange Is the New Black. He was nominated for a Tony Award for his performance in Awake and Sing! on Broadway. He also narrated the American Psycho audiobook. He also starred in the HBO series The Brink as Lieutenant Commander Zeke “Z-Pak” Tilson, a Naval pilot who is also a drug dealer, and played a leading role in the Michael Bay film 13 Hours: The Secret Soldiers of Benghazi (2016). He also played William Lewis on Law and Order Special Victims Unit.

Pablo Schreiber plays as Master Chief, John-117 in American Gods.
Pablo Schreiber is the top #6 member of the cast and appears in 9 episodes.

Omid Abtahi plays as Salim in American Gods.
Omid Abtahi is the top #7 member of the cast and appears in 4 episodes.

Ashley Reyes plays as Hannah in American Gods.
Ashley Reyes is the top #8 member of the cast and appears in 4 episodes.