Chevy Chase's turbulent life and career are profiled in the CNN documentary I'm Chevy Chase And You're Not. The comedian became the breakout star on the first-ever season of Saturday Night Live in 1975 - later becoming the first major cast member to leave the comedy institution the following year. (George Coe was technically the first SNL cast member to leave. He was billed as a "Not Ready for Prime Time Player" in SNL's October 1975 premiere but was quickly phased out of the show.