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Fan Casting Fionn Whitehead as Declan Gormley in Mission: Impossible III (2026)

maxhedroom made this fan casting suggestion on May 16, 2025. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Fionn Whitehead as Declan Gormley in Mission: Impossible III (2026)

Fionn WhiteheadUnited Kingdom

27 years old
Fionn Whitehead (RP: fɪn) (born July 18, 1997) is an English actor, known for playing the lead role in the 2017 film Dunkirk. Whitehead's acting was first credited in the 2016 ITV miniseries Him. ...
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Declan Gormley in Mission: Impossible III (2026) add character image
Fan Casting

Fionn Whitehead

as

Declan Gormley

in

Mission: Impossible III (2026)

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Mission: Impossible III (2026)

Mission: Impossible III (2026)

by J. J. Abrams
jesse pinkman
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Fan casting suggestion made by:

maxhedroom

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Fionn Whitehead is known for his roles in Black Mirror: Bandersnatch, Dunkirk, and The Children Act. He has been suggested by fans for 2,531 roles on myCast, including Paul Atreides in Dune. Similar actors include Timothée Chalamet, Asa Butterfield, and Tom Holland. Fionn Whitehead was suggested to play Declan Gormley in Mission: Impossible III (2026) by maxhedroom. Other actors sugggested to play this role include Ferdia Walsh-Peelo and Harris Dickinson. Mission: Impossible III (2026) has 11 roles, including Owen Davian, Luther Stickell, and Ethan Hunt.

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