Early life

De Lancie was born in Philadelphia, Pennsylvania on March 20, 1948 to John Sherwood de Lancie, who was principal oboist of the Philadelphia Orchestra from 1954-77, and his wife, Andrea.

Career

Acting

Star Trek

John de Lancie portrayed Q, a recurring character in several of the Star Trek franchise. Q is one of the few characters appearing in multiple series of the franchise: In eight episodes of Star Trek: The Next Generation ("Encounter at Farpoint", "Hide and Q", "Q Who", "Deja Q", "Qpid", "True Q"m "Tapestry", "All Good Things..."), in one episode of Star Trek: Deep Space Nine ("Q-Less"), and in three episodes of Star Trek: Voyager ("Death Wish," "The Q and the Grey", "Q2"). De Lancie's son Keegan appeared with his father as Q's son in one episode of Star Trek: Voyager ("Q2").

Film

De Lancie's film credits include The Hand that Rocks the Cradle, Get Smart, Again!, The Fisher King, Bad Influence, The Onion Field, Taking Care of Business, Fearless, Arcade, Multiplicity, Woman on Top, Good Advice, The Big Time, Pathology, Evolver, Reign Over Me, My Apocalypse, Crank, Crank 2, and You Lucky Dog.

Other television roles

De Lancie has appeared in many other television series. He was a popular actor on Days of Our Lives as Eugene. He also co-starred in Michael Piller's creation Legend and had recurring roles in Stargate SG-1 as an NID agent. He has also appeared as Dr. Deroy in three television films of Emergency!. Additionally, de Lancie has also guest starred in multiple television series, including Breaking Bad, The West Wing, Charmed, Andromeda, The Unit, MacGyver, Law & Order: LA, Torchwood: Miracle Day, Touched by an Angel, Mission: Impossible (1980s Revival), and Special Unit 2.

He has voiced characters in several animated series, including Duck Dodgers, The Angry Beavers, Max Steel, Duckman, Invader Zim, and Discord, who appears in My Little Pony: Friendship Is Magic and was actually inspired by Q from Star Trek.

Stage

De Lancie has been a member of the American Shakespeare Festival, the Seattle Repertory Company, South Coast Repertory, the Mark Taper Forum, and the Old Globe (where he performed Arthur Miller's Resurrection Blues). He has performed and directed for Los Angeles Theater Works, the producing arm of KCRW-FM and National Public Radio, where the series The Play's the Thing originates. He appeared in Star Trek: The Music, a touring company, with Robert Picardo. He and Picardo narrate around the orchestral performance, explaining the history of the music in Star Trek. De Lancie performed Pierre Curie in Alan Alda's play Radiance: The Passion of Marie Curie in 2001 at the Geffen Theater in Los Angeles.

Documentary

While on stage at the 2012 Ottawa ComicCon, de Lancie announced that he had made plans to co-produce a documentary about "bronies" (older, usually male teenage and adult fans of My Little Pony: Friendship Is Magic).

With the help of director Laurent Malaquais and producer Michael Brockhoff, began a Kickstarter campaign to help fund the documentary, now titled Bronies: The Extremely Unexpected Adult Fans of My Little Pony. The Kickstarter campaign began on May 13, 2012 and by June 10, 2012 had reached a grand total of $322,022.

Personal life

With Marnie Mosiman, de Lancie has two sons named Keegan de Lancie (born October 31, 1984) and Owen de Lancie (born May 16, 1987).

Filmography

Year	Title	Role	Notes
1977	SST Death Flight	Bob Connors
1979	The Onion Field	LAPD Lieutenant #2
1990	Bad Influence	Howard
1990	Taking Care of Business	Ted Bradford Jr.
1991	The Fisher King	TV Executive
1992	The Hand that Rocks the Cradle	Dr. Victor Mott
1993	Arcade	Difford
1993	Fearless	Jeff Gordon
1994	Without Warning	Barry Steinbrenner	Television film
1995	Evolver	Russell Bennett
1996	Multiplicity	Ted
1997	Trekkies	Himself
1998	Saving Private Ryan	Letter-Reader	Voice Uncredited
1998	You Lucky Dog
1999	Final Run	George Bouchard
2000	Woman on Top	Alex Reeves
2001	Nicolas	Dr. Fisher
2001	Good Advice	Ted
2002	The Big Time
2007	Reign Over Me	Nigel Pennington
2007	Teenius	Principal Senseman
2008	My Apocalypse	Nathan Eastman
2008	Pathology	Dr. Quentin Morris
2009	Crank: High Voltage	Fish Halman
2009	Gamer	Chief of Staff
2013	Bronies: The Extremely Unexpected Adult Fans of My Little Pony	Himself	Co-producer

Television

Year	Title	Role	Notes
1977	McMillan & Wife	Powell
1977-1978	The Six Million Dollar Man	Various Characters
1978-1979	Emergency!	Dr. Deroy
1978	The Bastard	Lt. Stark
1979	Battlestar Galactica	Officer	Episode: "Experiment in Terra"
1981	Nero Wolfe	Tom Irwin	Episode: "Might as Well Be Dead"
1982-1986	Days of Our Lives	Eugene Bradford
1983	The Thorn Birds	Alastair MacQueen	Miniseries
1986	The New Twilight Zone	The Dispatcher	Episode: "Dead Run"
1986	MacGyver	Brian Ashford	Episode: "The Escape"
1986	Murder, She Wrote	Binky Holborn	Episode: "If the Frame Fits"
1987-1994	Star Trek: The Next Generation	Q	8 episodes
1988	Mission: Impossible	Matthew Drake	Episode: "The Killer"
1989	Get Smart, Again!	Major Preston Waterhouse	Uncredited
1989	The Nutt House	Norman Shrike	Episode: "Pilot"
1991	L.A. Law	Mark Chelios	Episode: "The Beverly Hill Hangers"
1992	Civil Wars
1993	Matlock	Dr. Albert Levinson	Episode: "The Haunted"
1993	Star Trek: Deep Space Nine	Q	Episode: "Q-Less"
1993	Batman: The Animated Series	Eagleton
1995	Legend	Janos Bartok
1996	Picket Fences	District Attorney	Episode: "Three Weddings and a Meltdown"
1996	Touched by an Angel	Justinian Jones	Episode: "Jones vs. God"
1997	Duckman	Tyler Fitzgerald	Episode: "From Brad to Worse"
1996-2001	Star Trek: Voyager	Q	3 episodes
1999	The Real Adventures of Jonny Quest	Dr. Quest
2000	Angry Beavers	The Yak in the Sack	Episode: "Yak in the Sack"
2000	The Outer Limits	Donald Finley	Episode: "The Gun"
2000	The West Wing	Al Kiefer	2 episodes
2000	Sports Night	Bert Stors	Episode: "April is the Cruelest Month"
2001	Andromeda	Sid Barry	1 episode
2001	Special Unit 2	King of the Links	Episode: "The Eve"
2001	The Practice	Walter Bannish
2001	Dan Dare: Pilot of the Future	Gerard Hamilton	Episode: "The Surrender of Earth"
2002	Andromeda	Sam Profitt	1 episode
2001-2002	Stargate SG-1	Colonel Frank Simmons / Goa'uld	5 episodes
2003	Judging Amy	Dr. Eagan	Episode: "Picture of Perfect"
2003	Duck Dodgers	Sinestro	Episode: "The Green Loontern"
2004-2005	Charmed	Odin
2005	The Closer	Dr. Dawson	Episode: "Flashpoint
2005	Invader Zim	Agent Darkbootie	Voice 2 episodes
2009	Greek	Himself	Episode: "The Dork Knight"
2009-2010	Breaking Bad	Donald Margolis	4 episodes
2011	Law & Order: LA	Judge Avery Staynor	Episode "Carthay Circle"
2011	Franklin & Bash	Gallen	Episode "Bachelor Party"
2011	Torchwood: Miracle Day	Agent Allen Shapiro
2011	Young Justice	Mister Twister	Voice Episode: "Welcome to Happy Harbor"
2011-present	My Little Pony: Friendship Is Magic	Discord	Voice 10 episodes
2012	NTSF:SD:SUV::	Leonardo da Vinci	Episode: "Time Angels"
2012	The Secret Circle	Royce Armstrong	Episode: "Crystal"
2014	The Mentalist	Edward Feinberg	Episode: "Silver Wings of Times"

[ Source: Wikipedia ]