
Acting
Stephen Campbell Moore (born Stephen Thorpe; November 30, 1979) is an English actor, best known for his roles in the Alan Bennett play The History Boys and its subsequent film.
Description above from the Wikipedia Stephen Campbell Moore, licensed under CC-BY-SA, full list of contributors on Wikipedia.

To Love a Narcissist
as Billy

The Union
as Cameron Foster

Freud's Last Session
as J. R. R. Tolkien

Downton Abbey
as Major Chetwode

Responsible Child
as Dr. Johann Keaton

Red Joan
as Max

The Child in Time
as Charles Darke

Goodbye Christopher Robin
as Ernest H. Shepard

How to Talk to Girls at Parties
as Jerry, the Record Exec

The Ones Below
as Justin

Little Disasters
as Rob · 6 ep.

Masters of the Air
as Maj. 'Red' Bowman · 9 ep.

Criminal Record
as Leo Hanratty · 16 ep.

The Gold
as Tony Lundy · 6 ep.

Litvinenko
as Ben Emmerson QC · 1 ep.

Anne
as Ed Fitzgerald · 4 ep.

The Confessions of Frannie Langton
as George Benham · 4 ep.

The One
as Damian · 8 ep.

Industry
as Tony Day · 3 ep.

War of the Worlds
as Jonathan Gresham · 15 ep.
War of the Worlds
2019