Rowan & Martin's Laugh-In cards to display punchlines. On "Letters to Laugh-In", a short-lived spin-off daytime show hosted by Gary Owens, cast members read jokes sent in by viewers, which were scored by applause meter. The eventual winning joke was read by actress Jill St. John: "What do you get when you cross an elephant with a jar of peanut butter? A 500 pound sandwich that sticks to the roof of your mouth!" A cross-promotional episode of "I Dream of Jeannie" ("The Biggest Star in Hollywood", February 1969) features Judy Carne, Arte Johnson, Gary Owens, and producer George Schlatter playing themselves in a story
Rowan & Martin's Laugh-In Mendelsohn, Dave Cox, Jim Carlson, Lorne Michaels and Hart Pomerantz, John Carsey, Gene Farmer, John Rappaport and Stephen Spears, Jeremy Lloyd, Jack Douglas, Jim Abell and Chet Dowling, Barry Took, E. Jack Kaplan, Larry Siegel and Jack S. Margolis, Don Reo and Allan Katz, Jack Wohl and Richard Goren (also credited as Rowby Greeber and Rowby Goren), Gene Perret and Bill Richmond, and Bob Howard. Script supervisors for "Laugh-In" included Digby Wolfe (season 1), Phil Hahn and Jack Hanrahan (season 2), Allan Manings (season 3), Marc London and David Panich (seasons 3–6), and Jim Mulligan (season 6). The musical director