John Cassisi born September 5 1962 is a former American child actor who starred in the 1976 movie Bugsy Malone as Fat Sam and subsequently in the television series Fish He was discovered by Bugsy Malone director Alan Parker when Parker visited a Brooklyn classroom and asked students to nominate the naughtiest boy in class In 1982 he played the role of Herschel in the broadway film Gemini alongside former Bugsy Malone star Scott Baio After retiring from acting in 1982 Cassisi became involved in construction work4 From 2012 to 2014 he served as the Director of Global Construction for Citigroup In 2015 he pled guilty to a bribery scheme and was sentenced to two to six years in prison plus a 500000 forfeiture Cassisi is married and has had three children His eldest son Robert died after suffering from a pulmonary embolism at the age of 26