From Wikipedia the free encyclopedia Michael Sacks born September 11 1948 is an American actor and tech executive who played the role of Billy Pilgrim in George Roy Hills Slaughterhouse Five an adaptation from the novel by Kurt Vonnegut Sacks also appeared in Steven Spielbergs The Sugarland Express as the kidnapped highway patrolman The Amityville Horror as James Brolins characters friend and coworker and Hanover Street with Harrison Ford On Broadway he was the bewildered Viet Nam vet Mark in Kennedys Children by Robert Patrick He apparently retired from the entertainment industry in 1984 his last role was in the made for TV film Why Me with Annie Potts After spending time working in technology positions on Wall Street Sacks in 2004 joined the online bond trading company MarketAxess as head of global applications development He was employed by Morgan Stanley from 1994 to 2004 as executive director global head of bond technology for the fixed income division Other assignments at MS included chief operating officer for fixed income technology and global head of technology for the foreign exchange division Prior to Morgan Stanley he held positions at Salomon Brothers Inc and IBM Research Division Mr Sacks has an AB in Social Relations from Harvard College and a MS in Computer Science from Columbia University Description above from the Wikipedia article Michael Sacks licensed under CCBYSA full list of contributors on Wikipedia