Throughout this episode Jason, portrayed by Wright King, is referred to as a kid with peach fuzz. He's treated as a youngster compared to Josh, portrayed by Steve McQueen, in most of the episodes. In fact Wright King is 7 years older then Steve McQueen.
Actor Robert Morris, who had been cast to star in Route 66 before his sudden and untimely death, had previously starred with Steve McQueen in Studio One in Hollywood's The Defender Part 2 as Anthony Carmonada. His part was uncredited.
It's been said that Richard Farnsworth, who'd appear in Papillon later with Steve McQueen, was fired by McQueen on the first day of this series being filmed, but he's in this episode.