Portrait of Sean Grennan

Sean Grennan

Born: Unknown birthdate.
Sean Grennan is ?
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Movies (Acting Roles)

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Poster of The Untouchables
The Untouchables
Sean Grennan was
? in The Untouchables
as 'Cop Cousin'.
Wed, Jun 03 1987

TV Shows (Acting Roles)

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of MINDHUNTER
MINDHUNTER
Sean Grennan was
? in MINDHUNTER
as 'Ken'.
First Air Date
Fri, Oct 13 2017
Poster of Law & Order: Criminal Intent
Law & Order: Criminal Intent
Sean Grennan was
? in Law & Order: Criminal Intent
as 'I.A.B. Detective Roland'.
First Air Date
Sun, Sep 30 2001
Poster of Law & Order: Special Victims Unit
Law & Order: Special Victims Unit
Sean Grennan was
? in Law & Order: Special Victims Unit
as 'Wilkins'.
First Air Date
Mon, Sep 20 1999