Theo Montgomery was the elder brother of Aria Montgomery who became very successful at a very young age.
His sister is one of the most important things in his life and he'll do anything to protect her.
What happens when Hanna Marin comes stumbling...
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Austin Butler Portrayed as Theo Montgomery "My princess gets whatever my princess wants." "Your insecurities I can handle, what I can't is you not trusting me."
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Ashley Benson Protrayed as Hanna Marin "You can't have him A! Or whatever hell you like to call yourself!"
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Lucy Hale Portrayed as AriaMontgomery "Why does everyone keep saying that he's done so much to protect me but won't tell me!?"
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Drew Van Acker Portrayed as Jason Dilaurentis "Theo Montgomery is my Best Friend. We know all of each other's secrets like a bunch of girls but at the end of the day we protect each other like men would."
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Troian Bellisaeio Portrayed as Spencer Hastings "I just wanted to say thank you... you've done so much for us... me."
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Shay Mitchell Portrayed as Emily Fields "I know we haven't really talk much but you're like a big brother I never knew I needed."
