John de Lancie is an American actor. He is best known for his recurring role as Q on the various Star Trek series, and as Frank Simmons in Stargate SG-1.
De Lancie was born in Philadelphia, Pennsylvania, the son of Andrea and John de Lancie, who was principal oboist of the Philadelphia Orchestra from 1954 to 1977, and in his time one of the best known oboists worldwide. He is married to actress-singer Marnie Mosiman, and they have two sons, Keegan and Owen.
He has appeared in numerous television shows including; Hill Street Blues, The Thorn Birds, Nero Wolfe, The West Wing, Sports Night, Judging Amy, The New Twilight Zone, The Closer, Legend, LA Law, MacGyver, Picket Fences, Civil Wars, The Practice, Charmed, Murder, She Wrote, Stargate SG-1, Battlestar Galactica (1978), Emergency!, and Touched by an Angel. De Lancie played Eugene Bradford on the NBC soap opera Days of our Lives from 1982 to 1986, and in 1988 was assassin Matthew Drake in the premiere episode of the Mission: Impossible revival series. He also starred in a first season episode of MacGyver, "The Escape", where he played a gunrunner. In 1997 de Lancie lent his voice to The Real Adventures of Jonny Quest as Doctor Quest. He also recently appeared on AMC's Breaking Bad. From 20012002 he was Agent Dark Booty on the television series Invader Zim.
De Lancie is best known as a regular guest star on Star Trek: The Next Generation as the iconic all-powerful Q. He also holds the distinction of being one of the few characters to appear in three separate shows in the franchise (as Q; TNG, DS9 and Voyager).
De Lancie's son, Keegan de Lancie, appeared with his father as Q's son in Star Trek: Voyager's seventh season episode "Q2". His other son, Owen de Lancie, appeared in Star Trek World Tour (1998).
De Lancie co-starred in Star Trek writer Michael Piller's short-lived creation Legend as eccentric scientist Janos Bartok. He had a recurring role as NID Colonel Frank Simmons on Stargate SG-1. He has also appeared as Beka Valentine's Uncle Sid in Gene Roddenberry's Andromeda, as pollster Al Kiefer on The West Wing, and as an Elder on Charmed.
He voiced the villain Sinestro on the "The Green Loontern" episode of Duck Dodgers.
De Lancie plays air traffic controller and father Donald Margolis on the AMC show Breaking Bad.
His 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, Women on Top, Nicolas, Good Advice, Patient 14, The Big Time, Teenius, Pathology, Evolver, and Reign Over Me, You Lucky Dog (1998). He also had a small voice part in Saving Private Ryan (1998)
He 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 recently performed Arthur Miller's Resurrection Blues.
De Lancie 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 recently returned from a national tour of the Scopes "Monkey" Trial.
Star Trek: The Music was a multi-city tour with Robert Picardo. de Lancie and Picardo narrate around the orchestral performance, explaining the history of the music in Star Trek.
De Lancie is co-owner, with Leonard Nimoy, of Alien Voices, a production company devoted to the radio-style dramatization of classic science fiction. DeLancie produced, co-wrote, and directed audio dramatizations of: The Time Machine, Journey to the Center of the Earth, The Lost World, The Invisible Man, and The First Men in the Moon; as well as three television specials for the Sci-Fi Channel. In addition, he played the lead in Yuri Rasovsky's award-winning audio version of The Cabinet of Dr. Caligari.
De Lancie provided the voice of the character Antonio Malochio in the PC game Interstate '76, as the angel Trias in the video game Planescape: Torment. and as Dr. Death in Outlaws. He also played Q in the PC Video Games Star Trek: Borg and Star Trek: The Game Show.