The career of How to Smuggle the Hernia Across the Border star Tony Curtis spanned how many decades? 
How to Smuggle a Hernia Across the Border: How to Smuggle the Hernia Across the Border is a short 1949 comedy film directed by Jerry Lewis and starring Jerry Lewis, Janet Leigh, and Tony Curtis. Tony Curtis: Tony Curtis (born Bernard Schwartz; June 3, 1925September 29, 2010) was an American film actor whose career spanned six decades but who was mostly popular in the 1950s and early 1960s.
six decades