Ian Puleston-Davies plays as Peter Cullen in Marcella.
Ian Puleston-Davies is the top #1 member of the cast and appears in 24 episodes.

Ray Panthaki plays as DI Rav Sangha in Marcella.
Ray Panthaki is the top #2 member of the cast and appears in 24 episodes.

Sinéad Moira Cusack (born 18 February 1948) is an Irish actress. Her first acting roles were at the Abbey Theatre in Dublin, before moving to London in 1969 to join the Royal Shakespeare Company. She has won the Critics' Circle and Evening Standard Awards for her performance in Sebastian Barry's Our Lady of Sligo. Cusack has received two Tony Award nominations: once for Best Leading Actress in Much Ado About Nothing (1985), and again for Best Featured Actress in Rock 'n' Roll (2008). She has also received five Olivier Award nominations for As You Like (1981), The Maid's Tragedy (also 1981), The Taming of the Shrew (1983), Our Lady of Sligo (1998) and Rock 'n' Roll (2007). In 2020, she was listed at number 25 on The Irish Times' list of Ireland's greatest film actors. Description above from the Wikipedia article Sinéad Cusack, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Sinéad Cusack plays as Sylvie Gibson in Marcella.
Sinéad Cusack is the top #3 member of the cast and appears in 24 episodes.

Oluwakemi Nina SosanyaListen (born 6 June 1969) is an English stage, television, film, radio actress and narrator. She is most notable for her roles in Teachers, W1A and Last Tango in Halifax.

Nina Sosanya plays as DCI Laura Porter in Marcella.
Nina Sosanya is the top #4 member of the cast and appears in 24 episodes.

Nicholas Pinnock is a British theatre, television and film actor.

Nicholas Pinnock plays as Jason Backland in Marcella.
Nicholas Pinnock is the top #5 member of the cast and appears in 24 episodes.

Jamie St John Bamber Griffith (born 3 April 1973) is a British actor, known most widely for his roles as Lee Adama on Battlestar Galactica and Detective Sergeant Matt Devlin on the ITV series Law & Order: UK. He also had a supporting role in the Hornblower series, was a regular on UK series Ultimate Force and Peak Practice, and has made numerous television guest appearances including Cold Case, Dollhouse, Ghost Whisperer and The Last Detective.

Jamie Bamber plays as DI Tim Williamson in Marcella.
Jamie Bamber is the top #6 member of the cast and appears in 24 episodes.

Harry Lloyd (born 17 November 1983) is an English actor. He played Will Scarlet in the first two seasons of the BBC drama Robin Hood which began in 2006. Description above from the Wikipedia article Harry Lloyd, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Harry Lloyd plays as Henry Gibson in Marcella.
Harry Lloyd is the top #7 member of the cast and appears in 24 episodes.

Robert Whitelock plays as Guy Roberts in Marcella.
Robert Whitelock is the top #8 member of the cast and appears in 24 episodes.

​From Wikipedia, the free encyclopedia.   Laura Carmichael is a British actress. She was educated at The Mountbatten School, Peter Symonds College, and Bristol Old Vic Theatre School and her TV appearances include Downton Abbey. She is also a member of The Fitzrovia Radio Hour. Description above from the Wikipedia article Laura Carmichael, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Laura Carmichael plays as Maddy Stevenson in Marcella.
Laura Carmichael is the top #9 member of the cast and appears in 24 episodes.

Charlie Covell is a film and television actress und writer.

Charlie Covell plays as DC Alex Dier in Marcella.
Charlie Covell is the top #10 member of the cast and appears in 24 episodes.