Which song from the "This is War" was written by the band member of Thirty Seconds to Mars, who also appeared in various film roles such as "Panic Room" (2002), "Alexander" (2004), "Lord of War" (2005), "Lonely Hearts" (2006), "Chapter 27" (2007), and "Mr. Nobody" (2009)?
This Is War (song):  Written by lead vocalist Jared Leto, the song was released as the second single from the album to American radio on March 8, 2010, and the physical single was released on March 26, 2010.
i don't know