Star Trek: Discovery Lethe (Season 1, Episode 6)
TV-14
TV Episode | 44 min | Action, Adventure, Drama

Star Trek: Discovery

Lethe (Season 1, Episode 6)

TV-14

TV Episode | 44 min | Action, Adventure, Drama

The USS Discovery crew is intrigued by new addition, Lt. Ash Tyler. Sarek seeks Burnham's help, rekindling memories from her past. Admiral Cornwell questions Lorca's tactics.

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Cast	+ Add Cast
24 cast members

Name	Known for
Sonequa Martin-Green Michael Burnham Michael Burnham See fewer	Star Trek: Discovery (2017)
Doug Jones Saru Saru See fewer	Hellboy II: The Golden Army (2008)
Shazad Latif Ash Tyler Ash Tyler See fewer	The Second Best Exotic Marigold Hotel (2015)
Anthony Rapp Paul Stamets Paul Stamets See fewer	Rent (2005)
Mary Wiseman Sylvia Tilly Sylvia Tilly See fewer	Star Trek: Discovery (2017)
Jason Isaacs Captain Gabriel Lorca Captain Gabriel Lorca See fewer	Harry Potter and the Chamber of Secrets (2002)
Jayne Brook Admiral Cornwell Admiral Cornwell See fewer	Star Trek: Discovery (2017)
Wilson Cruz Dr. Hugh Culber Dr. Hugh Culber See fewer	Star Trek: Discovery (2017)
James Frain Sarek Sarek See fewer	The Tudors (2007)
Mia Kirshner Amanda Grayson Amanda Grayson See fewer	Not Another Teen Movie (2001)
Kenneth Mitchell Kol Kol See fewer	Jericho (2006)
Conrad Coates Terral Terral See fewer	Fargo (2014)
Emily Coutts Keyla Detmer Keyla Detmer See fewer	Star Trek: Discovery (2017)
Julianne Grossman Discovery Computer (voice) Discovery Computer (voice) See fewer	Star Trek: Discovery (2017)
Luke Humphrey V'Latak V'Latak See fewer	See (2019)
Clare McConnell Dennas Dennas See fewer	Star Trek: Discovery (2017)
Sara Mitich Airiam Airiam See fewer	Star Trek: Discovery (2017)
Oyin Oladejo Joann Owosekun Joann Owosekun See fewer	Star Trek: Discovery (2017)
Damon Runyan Ujilli Ujilli See fewer	Gangland Undercover (2015)
Jonathan Whittaker Vulcan Director Vulcan Director See fewer	Orphan Black: Echoes (2023)
Andrea Gallo Alien Science Crewmember (uncredited) Alien Science Crewmember (uncredited) See fewer	A Severe Case of Prudery (2022)
Jordan Lockhart Vulcan (uncredited) Vulcan (uncredited) See fewer	Fraggle Rock: Back to the Rock (2022)
Ronald Tang Engineering Technician (uncredited) Engineering Technician (uncredited) See fewer	Star Trek: Discovery (2017)
Serena Thompson Vulcan (uncredited) Vulcan (uncredited) See fewer	First Love (III) (2021)