Lily Collins will be reprising her role as Clary Fray in the second book of author Cassandra Clare in "The Mortal Instruments" franchise. The actress stated earlier while interviewed by MTV.com that she didn't know when the filming of the second book, "The Mortal Instruments: City of Ashes" would begin.

Jamie Campbell Bower would also be reprising his role as Jace Wayland and would be known as Jonathan Morgenstern for a while, but the real question is who would be playing Clary Fray's brother in the movie adaptation?

There have been several men who have made a mark in their acting career that would fit the role. A few may seem a little too much such as "Gossip Girl" alum Chase Crawford though some are vying for "Teen Wolf" star Dylan O' Brien for the role. The hunky actor would do well for the role but another contender, Ezra Miller, who starred alongside British actress Emma Watson and Logan Lerman in "Perks of Being a Wallflower" seem to be a good actor for the role.

Ezra Miller looks perfect for the role, dark hair and white fair skin like his sister played by Lily Collins in the book.

Would his co-star Logan Lerman be an appropriate actor for the role?

He has worked with Lily Collins in the movie "Stuck in Love" in which the two had good chemistry together, would they work well in the movie adaptation?

Probably yes, but Logan Lerman is known as Percy Jackson in Rick Riordan's Greek mythology novels which is lined up for filming of the third movie adaptation.

We're guessing Ezra Miller would be the perfect match for Lily Collins and they would work quite well together as all the star of "The Mortal Instruments" seem to have a fun and quirky side to each other.