
Before I Go to Sleep
Dr. Nasch

The people behind our stories
Acting
Mark Strong (born Marco Giuseppe Salussolia; 5 August 1963) is a British actor. He is best known for his film roles such as Prince Septimus in Stardust (2007), Archibald in RocknRolla (2008), Lord Henry Blackwood in Sherlock Holmes (2009), Frank D'Amico in Kick-Ass (2010), Jim Prideaux in Tinker Tailor Soldier Spy (2011), Sinestro in Green Lantern (2011), George in Zero Dark Thirty (2012), Major General Stewart Menzies in The Imitation Game (2014), Merlin in Kingsman: The Secret Service (2014) and Kingsman: The Golden Circle (2017), Dr. Thaddeus Sivana in Shazam! (2019), and John in Cruella (2021). Description above from the Wikipedia article Mark Strong, licensed under CC-BY-SA, full list of contributors on Wikipedia.
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108 acting credits · Includes cameos and other appearances where listed.

Dr. Nasch

Stewart Menzies

Captain Smith

Sinestro

Doctor Thaddeus Sivana (uncredited)

John the Valet

Dr. Sivana

George

Matai Shang

Lord Henry Blackwood

Frank D'Amico

Miller

Godfrey

Hani

Jack Cinder

Rodolfo Vittorio Schmidt

Pinbacker

Septimus

Wictred

Jim Prideaux

General Jake Boothe

Andrei Khabarov

Guern

Agent Sebastian Graves

Archy

Eliot Kaplan

Sorter

Heraclio (voice)

Finn

Doug Slater

Toby Crackit

John Washington

Jacob Sternwood

Sir John Conroy

Mussawi

Clive Cornell

David Brooke

Werner Heisenberg

Manny Miesel

Conor Cruise O'Brien

Max Vernon

Dusty Miller

Mr. Knightley

Holland

Gunnar Sorensson