Del, Andrew Friedman as Casper and Bryon Weiss as Robinson. Chris Ellis appears as Jack Sclavino, McClane's superior officer. Sung Kang makes an appearance as Raj, a desk officer of FBI's cyber division. Matt O'Leary appears as Clay, a hacker who unwittingly gives Gabriel a code, allowing his house to be destroyed. Jake McDorman plays a small role as Jim, Lucy's boyfriend. Tim Russ appears as an NSA agent. Rosemary Knower has a cameo as Mrs. Kaludis, Frederick's mother. Production Unproduced Die Hard 4: Tears of the Sun sequel After the success they had with Die Hard With a Vengeance, and after many discussions with Bruce Willis, 20th Century Fox started working on the fourth Die Hard film. As they did with original scripts for the previous three films, Fox and Willis decided to pick a script which was not written as a Die Hard film and then have it changed into the next sequel. In 1997, they picked up a script titled Tears of the Sun, an action-adventure written by Alan B. McElroy, which Willis really liked and wanted to turn into Die Hard 4. The script was about a group of people who go to set up a radio relay station deep inside the Amazon jungle; due to a severe storm, they land in a small mining town where they hire a guide. However, they are soon captured by a drug lord and his gang, who force them to work as slaves in his mine. They manage to escape and have to survive both the jungle and drug dealers who are chasing them. At the time Fox decided to rework the story into Die Hard 4, Tears of the Sun had been in development since the early 1990s. Around 1994, it was one of several projects to which John Woo was attached as a director, but which never got made. Besides McElroy, some of the other writers who worked on the Tears of the Sun script over the years included Ronald Bass, Chris Gerolmo, Larry Ferguson, Robert Mark Kamen and Joel Gross. It was also at one point considered to be re-written into a new modern adaptation of Tarzan, before Fox got the script. Interestingly, one of the first rejected scripts for the third Die Hard film, written by John Milius, also took place in the jungle. As with that script, the Tears of the Sun version of