- Introduction to the cookbook written by his cook: "Cooking for Jack" by Tommy Baratta and Marylou Baratta (November 1997, Pocket Books). ISBN 0671535609
- Wrote the Introduction for the Book "No Acting Please" co-written with Eric Morris and Joan Hotchkis (April 1995, Ermor Enterprises). ISBN 096297093X
- Jack also did the voice work for a childrens audio book titled "How the elephant got it's trunk".
- (2003) PSA for California tourism
- (November 4, 2002) Played Ernest Hemingway in a stage reading of Hemingway's "The World of Nick Adams". It was a one-night only charity event for Paul Newman's Hole in the Wall Camps (Kodak Theater, Hollywood, California)
- (July 11, 1965) Appeared in the premiere episode of the religious program by the Hour of St. Francis called "Search!" called "Victory" and also starred Larry Gerst.
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