Tom O'Brien

Acting

Biography

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Known For

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8.3

Supernatural

Clark Adams

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7.6

CSI: Crime Scene Investigation

Max Duncan

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8.2

Smallville

Roger Nixon

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8.3

Stargate SG-1

Brian Vogler

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8.4

The X-Files

Sgt. Louis Frisch

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8.2

Charmed

Zile

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7.3

JAG

Captain Cahill

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7.5

Murder, She Wrote

Jason Giles

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7.1

L.A. Law

Justin Pregerson

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7.2

21 Jump Street

Jake Whitaker / Danny Jacobson

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Tom O'Brien

Biography

Known For

Supernatural

CSI: Crime Scene Investigation

Smallville

Stargate SG-1

The X-Files

Charmed

JAG

Murder, She Wrote

L.A. Law

21 Jump Street

McVeigh

Alan and the Rulers of the Air

Bones and All

Alien Incursion

Supernatural

The Perfect Husband: The Laci Peterson Story

D.C. Sniper: 23 Days of Fear

The Dead Zone

Smallville

CSI: Crime Scene Investigation

The Astronaut's Wife

Facade

Charmed

Timecop

Stargate SG-1

Early Edition

Early Edition

JAG

Baby Brokers

For Love and Glory