A Problem of Memory

A Problem of Memory
Broadcast Information
Premiere date	July 10, 2017
Written by	Allison Rymer
Directed by	Peter DeLuise
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A Problem with Memory is the fifteenth episode of the second season of Shadowhunters: The Mortal Instruments.

Synopsis

Simon looks for a distraction with an evening out with some of his new vampire friends. What started out as a night to let loose quickly turns much darker when Simon wakes up the next morning with no memory of the night before and a dead body he now has to answer for. Meanwhile, Alec orders Valentine to be transferred to Idris to help repair relations with the Downworlders.

Credits

Starring: Katherine McNamara as Clary Fairchild Dominic Sherwood as Jace Herondale Alberto Rosende as Simon Lewis Matthew Daddario as Alec Lightwood Emeraude Toubia as Isabelle Lightwood Isaiah Mustafa as Luke Garroway Harry Shum Jr. as Magnus Bane

Guest-starring: Will Tudor as Sebastian V. & Jonathan M. David Castro as Raphael Santiago Alisha Wainwright as Maia Roberts Alexandra Ordolis as Ollie Shannon Kook as Duncan Alan Van Sprang as Valentine Morgenstern

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Co-starring:

Chad Connell as Quinn Eileen Li as Aline Penhallow Andreas Apergis as Malachi Dieudonné Tessa Mossey as Heidi Briana Goldie as Bartender Brendan Shoreman as Building Manager

Cassius Doroja as Young Magnus Eli Ham as Dutch Man Others: Elias Toufexis as Jonathan (true form)

• Allison Rymer — writer
• Peter DeLuise — director

Multimedia

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Videos

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2x15 Promo Preview

2x15 Sneak Peek 1

2x15 Sneak Peek 2

Images

See more promotional images here and stills here

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Music

A list of the songs and score music featured in this episode:

• "Loud(y)" - Lewis Del Mar
• "Love Surrounds You" - Ramsey
• "Burn It Down" (Vectronic Remix) - SPC ECO

Trivia

• This is the first and only episode to credit Tessa Mossey as a co-star. From On Infernal Ground onwards she becomes a guest star.
• This is also the only episode to feature Eileen Li as Aline Penhallow. From To the Night Children onwards she is replaced by Jacky Lai due to scheduling conflicts with the other actress.