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Sean Grennan

Sean Grennan is an actor, known for The Untouchables (1987), Rudy (1993) and Law & Order: Criminal Intent (2001). He is married to Kathy Santen. See full bio »
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Known For


Hide Hide Show Show Actor (6 credits)
 2005-2006 Law & Order: Criminal Intent (TV Series)
I.A.B. Roland / Det. Roland
- To the Bone (2006) ... I.A.B. Roland
- In the Wee Small Hours (2005) ... Det. Roland
 2002 Law & Order: Special Victims Unit (TV Series)
- Vulnerable (2002) ... Wilkins
 1996 Early Edition (TV Series)
Patrol Officer
- After Midnight (1996) ... Patrol Officer
 1994 The Untouchables (TV Series)
- The Last Gauntlet (1994) ... Prossik
 1993 Rudy
High School Assistant Coach
 1987 The Untouchables
Cop Cousin

Personal Details

Other Works:

Cheri Coons, Nichael Duff, Kathy Santen and he wrote the musical, "The Phantom of the Country Palace", which was performed at the Marriott Theatre in Chicago, Illinois with Jamie Dawn Gangi and Scott Mikita in the cast.

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Has a dog named Jack the Dog. See more »

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