Dan O'Brien, whose full name is Daniel G. O'Brien, stars in "Whitney" on NBC as Mark.
Dan O'Brien had made appearances in CBS's "How I Met Your Mother," Adult Swim's "Delocated," ABC's "Romantically Challenged," and NBC's "Law & Order."
On stage, O'Brien starred in "Americana Absurdum" written by Brian Parks (Theater Editor, Village Voice) and directed by John Clancy (Founder, New York International Fringe Festival). Along with the rest of the cast, O'Brien won the Scotsman Fringe First Award
Dan O'Brien had made appearances in CBS's "How I Met Your Mother," Adult Swim's "Delocated," ABC's "Romantically Challenged," and NBC's "Law & Order."
On stage, O'Brien starred in "Americana Absurdum" written by Brian Parks (Theater Editor, Village Voice) and directed by John Clancy (Founder, New York International Fringe Festival). Along with the rest of the cast, O'Brien won the Scotsman Fringe First Award
at the Edinburgh Fringe Festival for his work.
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