John de Lancie (born March 20, 1948) is an American actor. He has been active in screen and television roles since 1977 and has been featured for several recurring roles on American television series, including Q in Star Trek: The Next Generation, Star Trek: Deep Space Nine and Star Trek: Voyager, Colonel Frank Simmons in Stargate SG-1, Donald Margolis in Breaking Bad, and Discord in My Little Pony: Friendship Is Magic.
Good Advice
2001
50 Years of Star Trek
2016
Saving Private Ryan
1998
My Apocalypse
2008
Bad Influence
1990
Get Smart, Again!
1989
Olaf's Frozen Adventure
2017
Bronies: The Extremely Unexpected Adult Fans of My Little Pony
2012
Nightside
1980
Zombie Hamlet
2012
Star Trek: 30 Years and Beyond
1996
Gamer
2009
Without Warning
1994
The Hand That Rocks the Cradle
1992
The Lazarus Syndrome
1979
Crank: High Voltage
2009
Schemes
1994
Remembering Leonard: His Life, Legacy and Battle with COPD
2017
Journey's End - The Saga of Star Trek: The Next Generation
1994
Reign Over Me
2007
On Fire
1987
Multiplicity
1996
SST: Death Flight
1978
Chaos on the Bridge
2014
The Big Time
2002
The Man with the Power
1977
The Fisher King
1991
Woman on Top
2000
Final Run
1999
My Little Pony: Best Gift Ever
2018
Gen¹³
2000
You Lucky Dog
1998
Pathology
2008
The Captains
2011
Fearless
1993
The Miracle of Kathy Miller
1981
Visions
2015
Evolver
1995
Taking Care of Business
1990