Supergirl/The House of L

The House of L
Season 4, Episode 16
Airdate	March 24, 2019
Production Number	T13.21216
Written by	Dana Horgan & Eric Carrasco
Directed by	Carl Seaton
Stream
← 4x15 O Brother, Where Art Thou?	4x17 → All About Eve
Supergirl — Season Four

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The House of L is the sixteenth episode of the fourth season of Supergirl, and the eighty-first episode overall.

Starring: Melissa Benoist (Kara Zor-El / Kara Danvers / Supergirl, Red Daughter), Mehcad Brooks (James Olsen), Chyler Leigh (Alexandra "Alex" Danvers), Katie McGrath (Lena Luthor), Jesse Rath (Querl Dox / Braniac 5) (credit only), Sam Witwer (Ben Lockwood / Agent Liberty) (credit only), Nicole Maines (Nia Nal / Dreamer) (credit only), April Parker Jones (Colonel Lauren Haley) (credit only)

and David Harewood (J'onn J'onzz / Martian Manhunter) (credit only)

Special Guest Star: Jon Cryer (Lex Luthor)

Guest Starring: Robert Baker (Otis Graves), Andrea Brooks (Eve Teschmacher), Gabriel Gurevich (Mikhail)

Co-Starring: Reese Alexander (Warden), Candus Churchill (Judge), Casey Dudley (Bailiff), Aaran Henn (Newscaster), Raphael Kepinski (Kaznian General), Rady Panov (Class Clown), Sasha Piltsin (Kaznian Soldier), Alexander Vishniakoff (Minister of Defense), VG.Winter (Ansley Crew)