Jirí Sehnal was born on May 29, 1932 in Brno, Czechoslovakia. He was an actor, known for Stenata (1958), Roztrzka (1958) and Hlavni vyhra (1959). He died on June 17, 2006 in Prague, Czech Republic.
He worked as a painter during his emigration in the USA. He used pseudonym Jethro Spencer McIntosh by name rubber magnate. His painting bought for example Shirley MacLaine, Jack Nicholson or Henry Fonda.