Fredric Lehne also known as Fredric Lane is an American actor who has appeared in over 200 films, mini-series, and television shows as well as many stage productions including works by Shakespeare, Moliere and Ibsen on Broadway. He is perhaps best known for his role as US Marshal Edward Mars in ABC’s Lost and as INS agent Janus in the film Men in Black. Currently, along with Lost, he appears in recurring roles on the TV shows Ghost Whisperer and Supernatural as the Demon.

Mr. Lehne has recently completed work on the film Apology, slated for release in late 2007.

Films he has appeared in include Con Air, Ordinary People and Being There.

Claire (2007) .... David
Apology (2007) .... Professor Michael Slateman
The Fast and the Furious 3: Tokyo Drift (2006) (part edited out)
Reflections of a Life (2006) .... Bryan
Max (2004) .... Max
Do It for Uncle Manny (2002) .... Tommy
Air Strike (2002) (V) .... Col. Blackwell
Dynamite (2002) (AKA Family Under Siege) .... Tom Baxter
Octopus 2: River of Fear (2001) .... Walter
Submerged (2000).... Richard Layton
Terror Tract (2000) .... Louis Freemont
Anoosh of the Airways (1999) .... Security Guard
Balloon Farm (1999) (TV) .... Jake Johnson
Fortress 2 (1999) .... Gordon
Under Contract (1999) .... Al Smith
Inferno (1998/I) (TV) .... Lt. Sympson
"From the Earth to the Moon" (1998) (mini) TV Series .... Astronaut Walt Cunningham
Men in Black (1997) .... INS Agent Janus
Two Voices (1997) (TV) .... David Anneken
Con Air (1997) .... Pilot
Payback (1997/I) (TV) .... Sgt. Brian Kaleen
Bombmeister (1995)
Silent Steel (1995) (VG)
Dream Lover (1994) .... Larry
Man's Best Friend (1993) .... Perry
Deadly Game (1991) (TV) .... Osiris
This Gun for Hire (1991) (TV) .... Mather
"Mancuso, FBI" (1989) TV Series .... Eddie McMasters
Amityville: The Evil Escapes (1989) (TV) .... Father Kibbler
Terror on Highway 91(1989) (TV) .... Charlie Stone
"Favorite Son" (1988) (mini) TV Series .... Wyckoff
Man Against the Mob (1988) (TV) .... Sammy Turner
Billionaire Boys Club (1987) (TV) .... Christopher 'Chris' Fairmount, Jr.
American Harvest (1987) (TV) .... Roger Duncan
Love Is Never Silent (1985) (TV) .... William Anglin
"Dallas" (1978) TV Series .... Eddie Cronin (1984-1985)
The Seduction of Gina (1984) (TV) .... David Breslin
This Girl for Hire (1983) (TV) .... Peter Canton
The Children Nobody Wanted (1981) (TV) .... Tom Butterfield
Coward of the County (1981) (TV) .... Tommy Spencer
Baby Comes Home (1980) (TV) .... Franklin Kramer
Ordinary People (1980) .... Lazenby
All God's Children (1980) (TV) .... Howard Naponic
Foxes (1980) .... Bobby
Seizure: The Story of Kathy Morris (1980) (TV) .... Patrick Morris
Being There (1979) .... TV Page
"Studs Lonigan" (1979) (mini) TV Series .... Young Weary
"In the Beginning" (1978) TV Series .... Frank

"Supernatural" as "The Demon" in "In My Time of Dying" (#2.1, Sept 28, 2006), "All Hell Breaks Loose: Part 1"
(#2.21, May 10, 2007) and "All Hell Breaks Loose: Part 2" (#2.22, May 17, 2007)
"Ghost Whisperer" as "Charlie Banks" in "The Curse of the Ninth" (#2.9, Nov 17, 2006) and
"Delia's First Ghost" (#2.19, April 6, 2007)
"Lost" as "Marshal Edward Mars" in the episodes "Pilot: Part 1" (#1.1, September 22, 2004),

"Pilot: Part 2" (#1.2, September 29, 2004), "Tabula Rasa" (#1.3, October 6 2004),

"Exodus: Part 1" (#1.23, May 18, 2005), "Exodus: Part 2" (#1.24, May 25, 2005),

"What Kate Did" (#2.9, Nov 30, 2005), "I Do" (#3.6, Nov 8, 2006), "Left Behind" (#3.15, April 4, 2007)
"Day Break" in "What If He's Free?" (#1.10, Feb 5, 2007)
"E-Ring" in "Isolation" (#1.20, May, 2006)

"Bones" as "Giles Hardewick" in the episodes "The Skull in the Desert" (#1.17, March 29, 2006),
"The Man with the Bone" (#1.18, April 5, 2006)
"Medium" as "David Delaney" in "Allison Wonderland" (#2.16, March 6, 2006)
"The Book of Daniel" as "Police Officer" in "Temptation" (#1.1, Jan 6, 2006)

"Without A Trace" as "George Anderson" in "The Innocents" (#4.7, Nov 10, 2005)

"Night Stalker" as "Mr. Carver" in "Malum" (#1.5, Oct 27, 2005)

"Malcolm In The Middle" as "Officer Ridley" in "Billbooard" (#6.10, Feb 13, 2005)
"C.S.I.: NY" as "Ross Lee" in "Tanglewood" (#1.13, January 26, 2005)
"JAG" as "Capt. Banes" in "Odd Man Out" (#7.14, January 22, 2002);
as "Cmdr. Mark Collins" in "There Goes the Neighborhood" (#10.8, November 26, 2004)
"Navy NCIS: Naval Criminal Investigative Service" as "Captain Graves" in "Dead Man Talking" (#1.19, April 27, 2004)
"Cold Case" as "Sam Royal" in "Hitchhiker" (#1.10, December 21, 2003)
"Firefly" as "Ranse Burgess" in "Heart of Gold" (#1.14, August 3, 2003)
"Crossing Jordan" as "John Roberts" in "Upon the Wasted Building" (#2.6, November 11, 2002)
"Boomtown" as "Reggie Flood" in "Insured by Smith & Wesson" (#1.7, November 10, 2002)
"CSI: Crime Scene Investigation" as "Curt Ritten" in "Burked" (#2.1, September 27, 2001)
"Touched by an Angel" as "Eric" in "Psalm 151" (#5.9, November 15, 1998) and "Mother's Day" (#6.25, May 14, 2000 )
"The X Files" as "Young Arthur Dales" in "Travelers" (#5.15, March 29, 1998) and "The Unnatural" (#6.19, April 25, 1999)
"Nothing Sacred" in "A Nun's Story" (#1.13, January 24, 1998)
"Chicago Hope" as "Ellis Cooper" in "Sympathy for the Devil" (#4.4, October 22, 1997)
"Spy Game" as "CJ" in "Dead and Gone, Honey" (#1.4, June 7, 1997)
"ER" as "Bum's Friend" in "Post Mortem" (#3.12, January 23, 1997)
"Sliders" playing "Phil" in "Dead Man Sliding" (#3.10, November 29, 1996)
"NYPD Blue" as "Mark Drennan" in "Girl Talk" (#3.16, March 19, 1996)
"Diagnosis Murder" as "Tom Winston" in "Living on the Streets Can Be Murder" (#3.10, February 16, 1996)
"Courthouse" as "Mr. Hagan" in "Child Support" (#1.6, October 18, 1995)
"Babylon 5" as "Ranger" in "The Coming of Shadows" (#2.9, February 1, 1995)
"Renegade" as "Robert Hudley" in "Repo Raines" (#3.16, January 30, 1995)
"Time Trax" as "Morgan Pierce" in "Catch Me If You Can" (#2.10, April 25, 1994)
"Matlock" as "John Page" in "The Singer" (#7.4, January 28, 1993)
"Civil Wars" in "Pro Se Can You See" (# 1.9, January 22, 1992)
"Wiseguy" as "Winston Chambers III" in "Witness Protection for the Archangel Lucifer" (#4.6, December 8, 1990),
"Dead Right" (#4.8, 1990) and "Changing Houses" (#4.9, 1990)
"China Beach" playing "Rick White" in "Brothers" (#1.5, June 1, 1988) and "Cherry" (#2.8, February 1, 1989)
"Hotel" as "Brian Andrews" in "Grand Designs" (# 5.16, April 28, 1988)
"Murder, She Wrote" as "Al Parker" in "Murder, She Spoke" (#3.22, May 10, 1987)
"Finder of Lost Loves" as "Dan Matthews" in "Connections" (#1.23, April 13, 1985)
"Cagney & Lacey" as "Burt" in "Mr. Lonelyhearts" (#2.7, December 6, 1982)
"How the West Was Won" as "Jacob Kelsay" in "The Innocent" (#1.4, February 12, 1979)
"Eight Is Enough" in "All the Vice President's Men" (#3.11, November 22, 1978)

info thanks to fredlahne.com