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Personal Info

Known For

Acting

Known Credits

11

Gender

Male

Birthday

null (NaN years old)

Place of Birth

-

Also Known As

Daniel G. O'Brien

Dan O'Brien

Biography

Dan O'Brien is an actor, known for Whitney (2011), Grand Theft Auto IV (2008) and The Delray Story (2011). He graduated from the University of Notre Dame in 1999.

Known For

Acting

Astraea

2015

Astraea

as

James

Occupant

2018

Occupant

as

Frank

Gunslingers

2025

Gunslingers

as

Josh

Whitney

Whitney

as

Mark

Grey's Anatomy

Grey's Anatomy

as

Keith Gardner

Law & Order

Law & Order

as

Delray

Production

Crew

Directing