Famed zookeeper Jack Hanna, who is known for shows such as Animal Adventures and his regular appearances on the likes of The Late Show with David Letterman and Good Morning America, is continuing ...
And I'm going to hang onto them for as long as I can," Jack Hanna’s wife Suzi told The ... Starring Johnny Carson and Late Night with David Letterman. These days, his routine mainly involves ...
"Jack Hanna's Passport" will air weekend mornings ... A frequent TV guest of David Letterman, Hanna's also authored several ...