GGI stood for Good Guys Institute. it's flashed on the screen at approximately 25 minutes.
Marty Allen visited his home town of Pittsburgh, PA, where the film had its 19 May 1966 world premiere at the Stanley Theatre.
Allen and Rossi dismissed their cinematic debut as "just a series of sight gags."
Telecast on Turner Classic Movies Friday 8 October 2021 co-hosted by Ben Mankiewicz and 81 year old Nancy Sinatra.
The Last of the Secret Agents? opened 25 May 1966 in Los Angeles, and 22 Jun 1966 in New York City. Reviews were mixed, with several critics noting that Allen and Rossi compared poorly to movie comedy teams of the past, particularly Martin and Lewis.
Allen and Rossi dismissed their cinematic debut as "just a series of sight gags." Although they were planning an independently-produced "comeback" picture written by Steve Rossi, titled Off Your Rocket,, the team disbanded later that year.
Marty and Steve were depicted as appearing on The Ed Sullivan Show (1948) at the end of the picture. In real life, the comedy duo appeared a total of 44 times on that program. That scene was shot on the set of the show in New York on 18 January 1966.