Cast & creator

Mark Valley

1964-12-24 (age 61) Ogdensburg, New York, USAIMDb

Best known for Law & Order: Special Victims Unit, CSI: Crime Scene Investigation, CSI: Crime Scene Investigation

Mark Thomas Valley (born December 24, 1964) is an American actor, best known for his role as Brad Chase on the TV drama Boston Legal.

Movies

film credits

Series

television credits

Career

1965–2025 · acting roles

Credit score

6.6

average across scored titles

Signature credits

Known for

Ordered by popularity

★ 8.0

Law & Order: Special Victims Unit

Jake Keegan · 1999

★ 7.6

CSI: Crime Scene Investigation

Jack Willman · 2000

★ 7.6

CSI: Crime Scene Investigation

Daniel Shaw · 2000

★ 7.7

The Flash

Anton Slater · 2014

★ 4.3

The View

Self · 1997

Across film & television

Filmography (56)

Showing 56 of 56 credits

Series

★ 8.0

Law & Order: Special Victims Unit

Jake Keegan

1999

Series

★ 7.6

CSI: Crime Scene Investigation

Jack Willman

2000

Series

★ 7.6

CSI: Crime Scene Investigation

Daniel Shaw

2000

Series

★ 7.7

The Flash

Anton Slater

2014

Series

★ 4.3

The View

Self

1997

Series

★ 7.7

Hawaii Five-0

Special Agent Frank Zagar

2010

Series

★ 8.1

Fringe

John Scott

2008

Series

★ 7.8

ER

Richard Lockhart

1994

Series

★ 7.1

Diagnosis: Murder

Capt. Paul Davis

1993

Series

★ 5.3

The Tonight Show with Jay Leno

1992

Series

★ 7.9

Boston Legal

Brad Chase

2004

Series

★ 6.0

SOKO Stuttgart

John McDuff

2009

Series

★ 7.0

Spin City

Joseph Maxwell

1996

Series

★ 7.2

Hot in Cleveland

Jason

2010

Series

★ 7.1

The 4400

Warren Lytell

2004

Series

★ 7.1

Body of Proof

Tommy Sullivan

2011

Movie

★ 6.3

Shrek the Third

Cyclops (voice)

2007

Series

★ 7.5

Harry's Law

Oliver Richard

2011

Series

★ 7.3

Human Target

Christopher Chance

2010

Series

★ 6.2

Days of Our Lives

Jack Deveraux

1965

Series

★ 6.7

Once and Again

1999

Series

★ 6.7

Blood & Treasure

Patrick McNamara

2019

Series

★ 7.5

Brimstone

Barry Ceneazo

1998

Movie

★ 7.0

Zero Dark Thirty

C-130 Pilot

2012

Series

★ 6.8

I'm with Her

Jack Campbell

2003

Series

★ 6.4

Crisis

CIA Director Widener

2014

Series

★ 6.8

The Lone Gunmen

2001

Series

★ 6.4

The Romanoffs

Steve Lewis

2018

Movie

★ 5.5

Bride Hard

Edgar

2025

Series

★ 6.8

Vanishing Son

Adams

1994

Series

★ 8.0

Keen Eddie

2003

Series

★ 5.5

Swingtown

2008

Series

★ 6.5

Pasadena

Robert Greeley

2001

Movie

★ 6.3

The Siege

FBI Agent Mike Johanssen

1998

Series

★ 5.4

Are You There, Chelsea?

Chris

2012

Movie

★ 7.9

Batman: The Dark Knight Returns, Part 2

Clark Kent / Superman (voice)

2013

Movie

★ 5.5

Stolen

Fletcher

2012

Movie

★ 5.3

Breast Men

Fair Haired Resident

1997

Movie

★ 5.2

The Next Best Thing

Cardiologist

2000

Movie

★ 8.1

Batman: The Dark Knight Returns

Clark Kent / Superman (voice)

2013

Series

★ 5.8

Emily's Reasons Why Not

Reese Callahan

2006

Movie

★ 4.6

Gun Shy

Ben Harding

2017

Series

★ 6.7

George Wallace

Bobby Kennedy

1997

Movie

★ 5.1

Some Girl

Police Officer

1998

Movie

★ 7.1

Nanking

Stage Manager

2007

Emma Fielding Mysteries: More Bitter Than Death

Movie

★ 7.1

Emma Fielding Mysteries: More Bitter Than Death

Duncan Thatcher

2019

Movie

★ 6.8

George Wallace

Bobby Kennedy

1997

Movie

★ 5.5

Another Time

Ben

2018

Movie

★ 4.8

Lost Boy

Greg Harris

2015

Signed, Sealed, Delivered: Higher Ground

Movie

★ 7.3

Signed, Sealed, Delivered: Higher Ground

Steve

2017

Signed, Sealed, Delivered: The Impossible Dream

Movie

★ 7.0

Signed, Sealed, Delivered: The Impossible Dream

Steve Marek

2015

Movie

★ 5.6

Vanishing Son IV

Adams

1994

Movie

Garrow

2019

Movie

★ 4.8

Jericho

2000

Movie

★ 4.8

Jericho

Stunts

2000

Movie

Hostage

Jon Lewis