
Biography
Mark Ross Pellegrino (born April 9, 1965) is an American actor of film and television. He is best known for his work on Lost and Supernatural.
Acting · 106
Underdeveloped
2023
Class of '09
2023
The Rookie: Feds
2022
American Rust
2021
Beirut
2018
9-1-1
2018
13 Reasons Why
2017
Quantico
2015
The Returned
2015
Bad Turn Worse
2014
Revolution
2012
Bad Meat
2011
Grimm
2011
Joint Body
2011
Being Human
2011
Locke & Key
2011
2:13
2009
Castle
2009
The Mentalist
2008
Fear Itself
2008
Chuck
2007
Burn Notice
2007
The Number 23
2007
Dexter
2006
Caffeine
2006
The Unit
2006
Ellie Parker
2005
Capote
2005
Ghost Whisperer
2005
Criminal Minds
2005
Supernatural
2005
Prison Break
2005
The Closer
2005
Grey's Anatomy
2005
Numb3rs
2005
Lost
2004
Spartan
2004
Twisted
2004
Moving Alan
2003
The Hunted
2003
Without a Trace
2002
CSI: Miami
2002
Ronnie
2002
Crossing Jordan
2001
Mulholland Drive
2001
Say It Isn't So
2001
Ellie Parker
2001
House of Love
2000
Drowning Mona
2000
Certain Guys
1999
Word of Mouth
1999
Brimstone
1998
The Big Lebowski
1998
Born Into Exile
1997
The Practice
1997
The Cherokee Kid
1996
Little Surprises
1996
Nash Bridges
1996
The Sentinel
1996
Deadly Games
1995
Marker
1995
ER
1994
F.T.W.
1994
Viper
1994
Bank Robber
1993
The X-Files
1993
Class of '61
1993
Midnight Witness
1993
Trouble Bound
1993
The Hat Squad
1992
Lethal Weapon 3
1992
The Commish
1991
Inside Out
1991
Hulkamania 4
1989
Night Life
1989
No Holds Barred
1989
Fatal Beauty
1987
L.A. Law
1986
Hunter
1984









































































































