Star Trek: The Next Generation Identity Crisis (Season 4, Episode 18)
TV-PG
TV Episode | 46 min | Action, Adventure, Drama

Star Trek: The Next Generation

Identity Crisis (Season 4, Episode 18)

TV-PG

TV Episode | 46 min | Action, Adventure, Drama

Lt. Commander Geordi La Forge and an old friend fight to defeat a parasite that is trying to transform them into another species.

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Cast	+ Add Cast
24 cast members

Name	Known for
Patrick Stewart Captain Jean-Luc Picard Captain Jean-Luc Picard See fewer	Logan (2017)
Jonathan Frakes Commander William Thomas 'Will' Riker Commander William Thomas 'Will' Riker See fewer	Star Trek: First Contact (1996)
LeVar Burton Lieutenant Commander Geordi La Forge Lieutenant Commander Geordi La Forge See fewer	Star Trek: Generations (1994)
Michael Dorn Lieutenant Worf Lieutenant Worf See fewer	Star Trek: First Contact (1996)
Gates McFadden Doctor Beverly Crusher Doctor Beverly Crusher See fewer	Star Trek: Picard (2020)
Marina Sirtis Counselor Deanna Troi (credit only) Counselor Deanna Troi (credit only) See fewer	Star Trek: The Next Generation (1987)
Brent Spiner Lieutenant Commander Data Lieutenant Commander Data See fewer	Star Trek: First Contact (1996)
Maryann Plunkett Lt. Cmdr. Susanna Leijten Lt. Cmdr. Susanna Leijten See fewer	Little Women (2019)
Patti Yasutake Nurse Alyssa Ogawa Nurse Alyssa Ogawa See fewer	Star Trek: Generations (1994)
Amick Byram Hickman Hickman See fewer	The Prince of Egypt (1998)
Dennis Madalone Transporter Technician Transporter Technician See fewer	21 Bridges (2019)
Mona Grudt Ensign Graham Ensign Graham See fewer	Star Trek: The Next Generation (1987)
Joyce Agu Ensign Gates (uncredited) Ensign Gates (uncredited) See fewer	Star Trek VI: The Undiscovered Country (1991)
Majel Barrett Enterprise Computer (voice) (uncredited) Enterprise Computer (voice) (uncredited) See fewer	Star Trek: First Contact (1996)
Thomas J. Booth Enterprise-D Ops Officer (uncredited) Enterprise-D Ops Officer (uncredited) See fewer
Michael Braveheart Crewman Martinez (uncredited) Crewman Martinez (uncredited) See fewer	Star Trek: Klingon Academy (2000)
Nyra Crenshaw Ops Ensign (uncredited) Ops Ensign (uncredited) See fewer
Denise Deuschle Science Division Officer (uncredited) Science Division Officer (uncredited) See fewer
Jeremy Doyle Enterprise-D Ensign (uncredited) Enterprise-D Ensign (uncredited) See fewer
Randy James Humanoid shape (uncredited) Humanoid shape (uncredited) See fewer	Star Trek: Deep Space Nine (1993)
Kraig Kishi Enterprise-D Ops Officer (uncredited) Enterprise-D Ops Officer (uncredited) See fewer	The Last Samurai (2003)
Lorine Mendell Crewman Diana Giddings (uncredited) Crewman Diana Giddings (uncredited) See fewer	Hunter (I) (1984)
Teri Noel Engineer (uncredited) Engineer (uncredited) See fewer	The Satan Killer (1993)
Paul Tompkins Brevelle (uncredited) Brevelle (uncredited) See fewer	Hollywood Photos of Katie Mills (2006)