Mark Gatiss

Mark Gatiss Profile Photo

Characters played by Mark Gatiss

Mycroft Holmes — Sherlock (2010)

Holmes's elder brother.

Ted Gilbert — The Fantastic 4: First Steps (2025)

Government official navigating public relations and political pressure regarding the team.

Angstrom — Mission: Impossible - The Final Reckoning (2025)

Technical or military specialist.

NSA — Mission: Impossible - Dead Reckoning Part One (2023)

National Security Agency representative.

Radio Presenter With 'Spaceship' Theory / Wildlife voiceover (voice) (uncredited) — Shaun of the Dead (2004)

Voice actor for radio segments.

The Man — The Father (2020)

Appears as one of the shifting identities representing Anne's husband in Anthony's confused perception. The narrative notes the husband figure is sometimes called Paul and sometimes James, appearing as two different men due to Anthony's dementia.

Giles Winslow — Christopher Robin (2018)

Christopher's demanding boss focused on corporate efficiency.

Billy Matlock — Our Kind of Traitor (2016)

Billy Matlock is Hector's supervisor, who witnesses evidence linking the Prince's operation to corrupt British interests. Because Hector's personal grudge against Aubrey Longrigg complicates the case, Billy refuses to authorize a formal investigation, though he later informs Hector that asylum has been denied.

Ivor Montazac — Operation Mincemeat (2022)

Montagu's brother, whom Admiral Godfrey suspects of being a Soviet spy. His alleged espionage prompts Godfrey's scheme to have Cholmondeley monitor Montagu.

Mycroft Holmes — Sherlock: The Abominable Bride (2016)

Mycroft Holmes is Sherlock Holmes's brother and refers the Carmichael case to him after Sir Eustace receives an envelope of orange pips. In the present day, he enters the plane with John and Mary, worries about Sherlock's drug use, and discovers the significance of the word Redbeard.

Sir Robert Cecil — Gunpowder (2017)

Secretary of State and chief spymaster under King James I. Cecil leads the royal intelligence network, intercepts suspicious communications, and methodically uncovers the Catholic conspiracy, serving as the primary antagonist pursuing the plotters.

Professor Robert Jan van der Pelt — Denial (2016)

A historian whose expertise supports Deborah Lipstadt’s defence. During a visit to Auschwitz, he explains how the gas chambers operated, and in court his evidence about their existence is challenged by David Irving, including his claim about holes in the roof. His findings form an important part of the evidence that the defence uses to expose Irving’s distortions.

Career Overview

Mark Gatiss has 185 screen credits in a career dating back to 1971. Their work spans 8 cinematic universes — most prominently P.R.O.B.E. Collection with 4 titles. Signature works include The Fantastic 4: First Steps, Bookish, The Father. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For
Acting
Gender
male
Known Credits
185
Birth Date
1966-10-17
Birth Place
Sedgefield, Durham, England, UK

Known For

Associated Universes

Universe traveler — spans 8 universes

Frequent Collaborators

Credits

Content sources

Related entry on Wikidata (Q560286), public domain (CC0).