Emmy Rossum
as
Cassiopeia "Cassie" Black

"Trust me. I can do just as much damage with a bat as I would with my wand."

Ben Barnes
as
Sirius Black

"No. I said I was as beautiful as an angel. There's a difference."

Andrew Garfield
as
Remus Lupin

"I'm sorry for... you know, pushing you off the table last night."

Aaron Taylor-Johnson
as
James Potter

"Remus John Lupin! You get up this instant, or I swear to god, I'll avada kadavra all of your chocolate.

Jamie Bell
as
Petter Pettigrew

"Sure, I ran towards her, but he was grilling her about all the different sorts of chocolate they had... Honestly, it was kind of scary."

Karen Gillan
as
Lily Evans

"According to him. If James and I ever were to have... children... they'd be the stubbornest children to walk this earth."

Carey Mulligan
as
Alice Prewett

"We will gather up the girls and give you a makeover so magical he would think a bludger hit him"

Jim Sturgess
as
Frank Longbottom

"Well.. at least you didn't drop all of your textbooks from the stairs when they started moving and had to go all the way down again just to get them."

Freya Mavor
as
Marlene McKinnon

"Look. I know, you know, we all know, hell even peeves know. Now the only one who doesn't is James, so just go and tell him."

Paulina Singers
as
Dorcas Meadows

"No, she sent him a howler. Of course, she sent him a letter."

Timothee Chalamet
as
Regulus Black

" I always wanted to be more like you two. Stronger, braver, and most of all, free."

Chris Wood
as
Rabastan Lestrange

"I..eh.. might not have told anyone that I've been seeing you."

Sebastian Stan
as
Rodolphus Lestrange

"I told them, you know. When our parents announced the engagement, I told them that she's just like her filthy blood traitor brother."

Katie McGrath
as
Bellatrix Lestrange

"Oh, is itty bitty Cassiopeia sad that her blood traitor brother isn't here to hold her hand?"

Keira Knightley
as
Andromeda Tonks

"Just because your marriage might be arranged doesn't necessarily mean that there won't be room for love. You know... love finds you in the most unexpected and craziest ways you could imagine."

Natalie Dormer
as
Narcissa Malfoy

"Just because I don't usually express my opinions or how I feel doesn't mean I'm as cold as Bella. Andy is still my sister, no matter what anyone says."

Louis Garrel
as
Severus Snape

" You know how he is Lily, how can you be friends with him?!"