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Fan Casting Glenn Howerton as Cave Johnson in Portal

dilhowlter made this fan casting suggestion on March 23, 2024. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Glenn Howerton as Cave Johnson in Portal

Glenn HowertonUnited States

48 years old
Glenn Franklin Howerton III (born April 13, 1976) is an American actor of television and film. He is best-known for his role as Dennis Reynolds on FX's It's Always Sunny in Philadelphia (on which h...
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Cave Johnson in Portal add character image
Fan Casting

Glenn Howerton

as

Cave Johnson

in

Portal

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Portal

Portal

by Valve
Movie/ TV show based on the Portal series
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Fan casting suggestion made by:

dilhowlter

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Glenn Howerton is known for his roles in Crank, Serenity, and The Strangers. He has been suggested by fans for 1,229 roles on myCast, including Star-Lord in Avengers: Infinity War (2018) / Avengers: Endgame (2019). Similar actors include Bill Hader, John Krasinski, and Jake Gyllenhaal. Glenn Howerton was suggested to play Cave Johnson in Portal by dilhowlter. Portal has 6 roles, including Chell, Caroline, and Doug Rattmann.

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