Cast & creator

Markus Flanagan

1964-08-20 (age 62) Bryn Mawr, Pennsylvania, USAIMDb

Best known for Grey's Anatomy, NCIS, Supernatural

Markus Flanagan (born August 20, 1964) is an American actor.

Also known as: Markus Flannagan

Movies

film credits

Series

television credits

Career

1988–2025 · acting roles

Credit score

7.0

average across scored titles

Signature credits

Known for

Ordered by popularity

★ 8.2

Grey's Anatomy

Ed Hamilton · 2005

★ 7.6

NCIS

Mike Taffet · 2003

★ 8.3

Supernatural

Monroe Styne · 2005

★ 8.5

The Rookie

Danny Hill · 2018

★ 7.6

CSI: Crime Scene Investigation

Hotel Manager · 2000

Across film & television

Filmography (64)

Showing 64 of 64 credits

Series

★ 8.2

Grey's Anatomy

Ed Hamilton

2005

Series

★ 7.6

NCIS

Mike Taffet

2003

Series

★ 8.3

Supernatural

Monroe Styne

2005

Series

★ 8.5

The Rookie

Danny Hill

2018

Series

★ 7.6

CSI: Crime Scene Investigation

Hotel Manager

2000

Series

★ 8.2

Bones

Jim Monroe

2005

Series

★ 7.5

NCIS: Los Angeles

Professor Chapman

2009

Series

★ 8.4

Friends

Robert

1994

Series

★ 7.7

CSI: Miami

Sniper Expert

2002

Series

★ 8.2

Seinfeld

Charles

1989

Series

★ 8.2

Charmed

Marshall

1998

Series

★ 7.5

Marvel's Agents of S.H.I.E.L.D.

Rowan Hamilton

2013

Series

★ 7.4

Heroes

Agent Alonzo

2006

Series

★ 7.9

Rizzoli & Isles

Eric Palmer

2010

Series

★ 7.6

The Practice

D.A. Earl Schott

1997

Series

★ 8.5

Malcolm in the Middle

Frank

2000

Series

★ 5.9

Melrose Place

Harry Dean

1992

Series

★ 6.9

Will & Grace

Dr. Loranger

1998

Series

★ 7.0

Numb3rs

ATF Supervisor Eric Turner

2005

Series

★ 7.9

That '70s Show

Rob

1998

Series

★ 7.5

Judging Amy

Lonnie Gage

1999

Series

★ 6.6

Nash Bridges

Connor McMillan

1996

Series

★ 7.4

Major Crimes

Dr. Carl Riley

2012

Series

★ 7.7

The Morning Show

Gerald Drummond

2019

Series

★ 7.8

Northern Exposure

Grant Saperstein

1990

Series

★ 5.3

Pacific Blue

Alec Cooper

1996

Series

★ 6.7

Providence

Bruce Larson

1999

Series

★ 7.1

The Commish

1991

Series

★ 7.7

Murder One

Paul Ianucci

1995

Series

★ 5.4

Veronica's Closet

Alex

1997

Series

★ 7.6

Jack & Jill

Hugh Westland

1999

Series

★ 7.2

Better Things

Mark

2016

Series

★ 7.2

The Defenders

Agent Solo

2010

Series

★ 7.1

Nurses

Luke Fitzgerald

1991

Movie

★ 6.9

Life As We Know It

Chef Phillipe

2010

Series

★ 7.6

Fantasy Island

Bob Gardener

1998

Series

★ 6.2

Malice

Jared

2025

Movie

★ 7.0

Born on the Fourth of July

Doctor - Vietnam

1989

Series

★ 7.2

Cracker

1997

Series

★ 8.5

Unscripted

Krista's Date

2005

Series

★ 6.7

Colin in Black and White

Manager

2021

Series

★ 7.0

Unfabulous

Jeff Singer

2004

Movie

★ 6.8

The Kingdom

FBI agent

2007

Series

★ 6.2

Drive

2007

Series

★ 6.7

VR.5

Kyle Jarvis

1995

Movie

★ 5.8

Blue Steel

Husband

1990

Movie

★ 6.0

For Richer or Poorer

George

1997

Movie

★ 6.3

Biloxi Blues

Roy Selridge

1988

Movie

★ 6.6

Loving Annabelle

Michael

2007

Movie

★ 6.0

Holiday in the Sun

Harrison

2001

Series

★ 9.0

Sunset Beat

Bradley Coolidge

1990

Movie

★ 4.9

Another Girl

Author (voice)

2021

Movie

★ 6.2

A Royal Queens Christmas

Book

2021

Movie

★ 5.0

No Child of Mine

Bob Frazier

1993

Movie

★ 6.8

Perfect Witness

Woods

1989

Movie

★ 6.5

Apollo 11: First Steps on the Moon

Duke

1996

Movie

★ 6.0

Cries from the Heart

Roger

1994

Movie

★ 6.2

The Beat

Vis

1988

Movie

★ 7.3

Abandoned and Deceived

1995

Movie

★ 6.3

Walking to the Waterline

Paul

1998

Movie

★ 5.3

Meeting Spencer

Man In Bar

2010

Movie

★ 6.0

Malpractice

Ken Garrett

2001

Movie

★ 7.6

Bloodhounds

Bob Moore

1996

Movie

★ 6.0

Overnight Sensation

Scott Palmer

2000