Fred Whalen's brother is uncredited on IMDB for the episode "JMM". I don't think it's literally the same actor, but could it be the same character as "Casey" from El Camino? The
Better Call Saul' Season 5 Recap: What to Remember Before Season 6
Twitter 上的S'all Good Man ⚖:"Moment of silence. #BetterCallSaul https://t.co/K6Br9q3dT4" / Twitter