|A Stalker is Stalking Us|
|Season 1, Episode 4|
|Air date||Jan 8, 2013|
A Dramatic Stakeout
A Clue! A Clue!
'A' turns up the heat and the girls are in for a shocking surprise.
- Shay Mitchsim (Shay Mitchell) as Emily Fields
- Troian Bellisimio (Troian Bellisario) as Spencer Hastings
- Lucy Simale (Lucy Hale) as Aria Montgomery
- Ashley Bensim (Ashley Benson) as Hanna Marin
- Lindsey Simaw (Lindsey Shaw) as Paige McCullers
- smartynation (Tyler Blackburn) as Caleb Rivers
- Ian Hardsim (Ian Harding) as Ezra Fitz
- The Boss as Emily Fields and Spencer Hastings
- The Boss' Brother as Hanna Marin.
- The Boss' Sister as Aria Montgomery.