The role of Tommy Hyatt has been recast and will be played through the series by Philip McKeon (1964-2019).
Mel reveals he is a Korean War veteran who attended college on the G.I. Bill. Jack Newhouse was Mel's prankster college roommate. Jack does not appear again after this sole appearance.
Former Wagon Train (1957) star Denny Miller's character Jack Newhouse recently completed filming a spaghetti western titled "A Fistful of Blood" in what appears to be a satire on former Rawhide (1959) star Clint Eastwood's career and movie A Fistful of Dollars (1964).