Claim: Danny Glover appears in a significant supporting role in a movie written by Lawrence Kasdan and his male sibling Mark.
Evidence: He also has prominent supporting roles in Silverado -LRB- 1985 -RRB- , Witness -LRB- 1985 -RRB- , Predator 2 -LRB- 1990 -RRB- , Saw -LRB- 2004 -RRB- , Shooter -LRB- 2007 -RRB- , 2012 -LRB- 2009 -RRB- , Death at a Funeral -LRB- 2010 -RRB- , Beyond the Lights -LRB- 2014 -RRB- , and Dirty Grandpa -LRB- 2016 -RRB-.
Silverado is a 1985 American western film produced and directed by Lawrence Kasdan , written by Kasdan and his brother Mark.