← Previous Next → 2x04 Abomination 4.71/5 (7 votes) First Aired: Jun. 18, 2012 on MTV Summary: The new shape-shifter strikes again, and Scott recruits a reluctant Allison to acquire a rare book in Gerard's collection.

Main Characters in this Episode

• Scott McCall
• Allison Ar…
• Derek Hale
• Lydia Martin

Guest Stars Stiles played by Dylan O'Brien (II) Jackson played by Colton Haynes Mr. Argent played by JR Bourne Sheriff Stilinski played by Linden Ashby Coach Finstock played by Orny Adams Dr. Deaton played by Seth Gilliam Gerard played by Michael Hogan (II) Ms. Morell played by Bianca Lawson Melissa McCall played by Melissa Ponzio Mrs. Victoria Argent played by Eaddy Mays Bennett played by Akeem Smith Isaac Lahey played by Daniel Sharman Matt played by Stephen Lunsford Erica played by Gage Golightly Boyd played by Sinqua Walls Lacrosse Player played by Hunter Clowdus Cody played by Marvin Duerkholz Kanima played by David Elson Danny played by Keahu Kahuanui Car Repairman played by Brandon Stoughton Lacrosse Player played by William Gerber Lacrosse Player played by Zach Greene (II) Lacrosse Fan played by Stephen M. Phillips Mrs. Martin played by Susan Walters More