Buck Henry of the original Get Smart television series.
Despite a widespread belief that Mel Brooks wrote the entire series, he is in fact credited as a writer on only three episodes:
- #1: "Mr. Big (with Buck Henry)
#10 "Our Man in Leotards" (with Gary Belkin)
#15: "Survival of the Fattest" (with Ronny Pearlman)
Brooks and Henry are also credited as consultants on the 2008 Get Smart movie.
See IMDb entry.