Threshold Trees Made of Glass: Part 1 (Season 1, Episode 1)
TV Episode | Action, Drama, Sci-Fi

Primary photo for Trees Made of Glass: Part 1

Threshold

Trees Made of Glass: Part 1 (Season 1, Episode 1)

TV Episode | Action, Drama, Sci-Fi

Worst case scenario expert, Dr. Caffrey, recruits a team of elite and slightly eccentric scientists to determine if an alien civilization has made first contact with the human race. Mysteries abound. Is the alien race trans-dimensional? Is...See moreWorst case scenario expert, Dr. Caffrey, recruits a team of elite and slightly eccentric scientists to determine if an alien civilization has made first contact with the human race. Mysteries abound. Is the alien race trans-dimensional? Is it friendly or malevolent? If friendly, why did the crew members of the ship that encountered the alien kill each other? Is the strange helical symbol an attempt at communication? Are the aliens altering the DNA of human test subjects? And how are the odd dreams/nightmares everyone is having related? Written by David Foss See less

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Cast	+ Add Cast
27 cast members

Name	Known for
Carla Gugino Dr. Molly Anne Caffrey Dr. Molly Anne Caffrey See fewer	Watchmen (2009)
Brian Van Holt Sean Cavennaugh Sean Cavennaugh See fewer	Joe vs. Carole (2022)
Brent Spiner Dr. Nigel Fenway Dr. Nigel Fenway See fewer	Star Trek: First Contact (1996)
Rob Benedict Lucas Pegg Lucas Pegg See fewer	Supernatural (2005)
Peter Dinklage Arthur Ramsey Arthur Ramsey See fewer	Game of Thrones (2011)
Charles S. Dutton J.T. Baylock J.T. Baylock See fewer	Gothika (2003)
William Mapother Gunneson Gunneson See fewer	Lost (2004)
Scott MacDonald Captain Manning Captain Manning See fewer	The Last Champion (2020)
Diane Venora Angela Hatten Angela Hatten See fewer	Heat (1995)
Michael Sheriff Blue Collar Kid (as Michael Shiraef) Blue Collar Kid (as Michael Shiraef) See fewer	Insomniac (2017)
Dotan Baer Navy Seal #2 Navy Seal #2 See fewer	Red Dawn (2012)
Jon Barton Military Technical Tactical Advisor (as John Barton) Military Technical Tactical Advisor (as John Barton) See fewer	Punisher: War Zone (2008)
Traber Burns Chef Chef See fewer	Lost (2004)
Colin Campbell Grady Grady See fewer	National Lampoon's Van Wilder (2002)
Ricardo Chacon Blue Collar Guy (as Ricardo J. Chacon) Blue Collar Guy (as Ricardo J. Chacon) See fewer	Captain America: The Winter Soldier (2014)
Josh Cruze Sec Of Defense Sec Of Defense See fewer	Two Weeks Notice (2002)
Mitchell Edmonds Chief of Naval Operations Chief of Naval Operations See fewer	Modern Family (2009)
Charles Emmett Navy Pilot Navy Pilot See fewer	9-1-1 (2018)
Lucas Ford Navy Seal #3 Navy Seal #3 See fewer	High Crimes (2002)
Charles Howerton Military Official Military Official See fewer	Married... with Children (1987)
Scott Norris Seminar Goer Seminar Goer See fewer	Mob Rules (2010)
Matt Sigloch Seal Commander Seal Commander See fewer	Deja Vu (2006)
Joel Steingold Fry Fry See fewer	How to Get Away with Murder (2014)
Diana Terranova Dancer Dancer See fewer	Knives Out (2019)
Raymond T. Williams Navy Seal #1 Navy Seal #1 See fewer	The Long Home
Jillian Difusco Dancer (uncredited) Dancer (uncredited) See fewer	Hood of Horror (2006)
Andre Johnson FBI Agent (uncredited) FBI Agent (uncredited) See fewer	Miracle Workers (2019)