DS Steve Arnott — Line of Duty Character Profile

About DS Steve Arnott

A former counter-terrorism officer transferred to Anti-Corruption Unit 12 (AC-12) after refusing to cover up an unlawful shooting by his team. He is partnered with DC Kate Fleming and works under Superintendent Ted Hastings to investigate police corruption.

Character Facts

Played by

Martin Compston

Appears in

Line of Duty (2012)

Role

Supporting

Relationships (4)

• DS Steve Arnott — Alliance Teammate — DC Kate Fleming (Vicky McClure)

  Partners in AC-12 unit

• DS Steve Arnott — Professional Subordinate — SI Ted Hastings (Adrian Dunbar)

  Reports to Superintendent Hastings

• DS Steve Arnott — Professional Colleague — Ryan Pilkington (Gregory Piper)

  Works under Arnott's supervision

• DS Steve Arnott — Alliance Teammate — DC Chloë Bishop (Shalom Brune-Franklin)

  Works alongside Arnott in AC-12

Explore the full interactive character relationship map of Line of Duty

More characters from Line of Duty

• DCI Roz Huntley (Thandiwe Newton)
• Lindsay Denton (Keeley Hawes)
• SI Ted Hastings (Adrian Dunbar)
• DC Kate Fleming (Vicky McClure)
• Hana (Gaite Jansen)
• Nick Huntley (Lee Ingleby)
• Ryan Pilkington (Gregory Piper)
• DS Neil Twyler (Mark Stobbart)
• DC Jodie Taylor (Claudia Jessie)
• DC Jamie Desford (Royce Pierreson)
• Jimmy Lakewell (Patrick Baladi)
• Gill Biggeloe (Polly Walker)