Robson Golightly Green is an English actor, angler, singer, songwriter, and presenter. His first major TV role was as hospital porter Jimmy Powell in BBC drama series Casualty in 1989. He then went on to portray Fusilier Dave Tucker in the ITV military drama series Soldier Soldier, between 1991 and 1995. Between 2002 and 2008 he played Dr. Tony Hill in the ITV crime drama series Wire in the Blood. As a TV presenter he has fronted shows such as Extreme Fishing, Extreme Fishing Challenge, and Tales from Northumberland. He currently plays Detective Inspector Geordie Keating on ITV's Grantchester. He was one half of the singing duo Robson & Jerome, who had several No. 1 singles in the 1990s.

Robson Green plays as Jimmy Powell in Grantchester.
Robson Green is the top #1 member of the cast and appears in 40 episodes.

Al Weaver plays as Leonard Finch in Grantchester.
Al Weaver is the top #2 member of the cast and appears in 30 episodes.

Tessa Peake-Jones plays as Mrs. Maguire, Mrs. Chapman in Grantchester.
Tessa Peake-Jones is the top #3 member of the cast and appears in 30 episodes.

Kacey Ainsworth plays as Cathy Keating in Grantchester.
Kacey Ainsworth is the top #4 member of the cast and appears in 30 episodes.

Skye Lucia Degruttola plays as Esme Keating in Grantchester.
Skye Lucia Degruttola is the top #5 member of the cast and appears in 30 episodes.

Morven Christie (born 1 September 1981) is a Scottish actress.

Morven Christie plays as Alison Hughes in Grantchester.
Morven Christie is the top #6 member of the cast and appears in 18 episodes.

James Norton (born 18 July 1985) is an English actor.

James Norton plays as Tommy Lee Royce in Grantchester.
James Norton is the top #7 member of the cast and appears in 12 episodes.

Tom Brittney was born on October 26, 1990 in Gravesend, Kent, England. He is an actor, known for Grantchester (2014), Outlander (2014) and UnREAL (2015).

Tom Brittney plays as Will Davenport in Grantchester.
Tom Brittney is the top #8 member of the cast and appears in 12 episodes.

Thomas Michael Carter (born 15 September 1988), known professionally as Tom Austen, is an English actor, known for his television appearances portraying Jasper Frost on The Royals and Guy Hopkins on Grantchester. In October 2019, Austen was cast as Daimon Helstrom in the Hulu series Helstrom.

Tom Austen plays as Josh Cross in Grantchester.
Tom Austen is the top #9 member of the cast and appears in 6 episodes.

Selin Hizli plays as Jen in Grantchester.
Selin Hizli is the top #10 member of the cast and appears in 6 episodes.