Okay, this comes with a lot of blah-blah-blahing attached.

1) I just finished (and loved) City of Bones and am almost done with City of Ashes (books 1 and 2 in the Mortal Instruments Trilogy by Cassandra Clare) - which means I'm a little obsessed with this series, atm, and also trying to avoid spoilers like the plague.
2) I know I didn't come up with the ideas of having most of these people in these roles, I saw most of them suggested elsewhere (such as on Cassandra Clare's website).
3) This is not necessarily who I would want cast if they made a movie of this book - just people who look like the characters to me
4) I based my choices on these pictures alone fitting how I personally imagine these characters to look when I'm reading the book- I haven't seen all of them act, nor necessarily know anything about them besides seeing these pictures of them
5) They should really, really make a movie of this series.

Have no idea what I'm talking about? Do you like Twilight, Harry Potter, or Buffy the Vampire Slayer? Then I recommend the Mortal Instruments Trilogy to you, lol.

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Images of the actors are (c) the actors and their respective photographers.