Shiv Panikker on Instagram: "Face Off | Behind-The-Scenes Face/Off was written by Mike Werb and Michael Colleary in 1990 as a spec script. They were inspired to write it after a mutual friend injured themselves in a hang-gliding accident. The injury required the friend’s face to be removed and reconstructed before being re-added onto their body. John Woo became attached in 1996. Various actor pairings were considered for the parts of Sean Archer and Castor Troy, such as Sylvester Stallone and Ar