
Kevin Christianson: machinist, appeared in all five seasons.
Jon Mayo: machinist, appeared in Seasons One and Two, quit during S02E08 ('42 Woodie) to move to Hawaii.Tony Piro: apprentice, appeared in Season Four, debuted S04E04, laid off S04E05, returned as an intern on S04E06 (all '56 Chevy), and eventually fired S04E19 ('40 Ford Woodie) for lack of experience.Liz Miles: apprentice, appeared in Season Five, debuted in S05E07 ('59 Corvette), fired during S05E08 reportedly over an alleged salary dispute and conflict with Boyd's wife Jo.Brad Johnston: fabricator, appeared in Seasons Two through Four, debuted during S02E18 (Hildebrandt Car), quit during S04E09 ('61 Impala Bubbletop) after being confronted about excessive absenteeism.Jimmy Hudson: metal fabricator, appeared in Season Four, debuted in S04E11 ('40 Ford), quit during S04E18 ('40 Ford Woodie) for personal reasons.Sean Dooley: metal worker, appeared in one build in Season Two ('65 Mustang), fired during S02E01 for insubordination.Jon Rockwell: metal fabricator, appeared in Season Four, debuted in S04E12 ('40 Ford), gone when Season Five began."Speedy" MacDonald: apprentice, appeared in Seasons Four and Five before leaving during S05E06 (Sobe Mercury Wagon) to return to Connecticut.Al Simon: chassis builder, appears in Seasons One through Five, quits during S02E14 (Bud Light car), returns during S02E22 ('59 Chevy Low Rider), and leaves again during S05/E08 ('59 Corvette).Thomas Loddby: mechanic, appeared in Seasons One through Five, left during S03E02 (Max Hemi) to start a shipping business, returned in S04E11 ('40 Ford) working on a part-time basis.
27th, 2005 at the age of 64 during filming of S04E03 ('54 Corvette & '55 Chevy)
Roy Schmidt: metal worker, appears in Seasons One through Three, died of lung cancer on Oct. Mike Curtis: machine shop supervisor, appeared in Seasons One and Two, fired during S02E22 ('59 Chevy Low Rider) for working for competitor Chip Foose on the side. Scott Parker: appeared in Seasons Two through Four, quit during S04E10 after staying to help complete the '61 Impala Bubbletop build. Rick Rempel: metal worker, appeared in one build in Season Four, debuted in S04E20 (El Camino/White Cap truck), quit during S04E21 to return to Canada. Keith "Flanders" Hickson: freelance exhaust fabricator, appeared in Season One. Tommy Puriton: janitor, appeared in all five seasons. Chris Smith: fabricator and assembler, appeared in Seasons Four and Five. Jimmy Pett: fabricator and assembler, appeared in Seasons One through Three, gone by Season Four. Chad "Bluebear" Geary: assembler, appeared in Seasons One and Two, fired during S02E06 (Rat Rod Build Off) for insubordination. Robert Taylor: fabricator & assembler, appeared in Seasons Four and Five, debuted in S04E14 ('36 Roadster). Lee Hayes: sheet metal man, appeared in Seasons Two through Five working part-time, debuted in S02E12 ('63 Stingray 2/3). Dan "Chicago" Sobieski: appeared in all five seasons, opened his own shop. Duane Mayer: shop foreman, appeared in all five seasons, now runs his own shop. Tom Emmons: art director, appeared only in S03E01 (Make-A-Wish Max Hemi) but did most of the in-house artwork and drawings for Boyd. Chris Coddington: Boyd's son, custom wheel sales dept., appeared in all five seasons, wheel division sold to American Racing during S4 but he appeared on S05E02 (Hershey Tribute Car). Diane Coddington: Boyd's ex-wife, ran accounting dept., appeared in Seasons One through Four until offices were moved when wheel shop was sold to American Racing.
Jo Coddington: Boyd's wife, appeared in all five seasons, ran the collectable store, consignment store, all corporate builds.Boyd Coddington: shop owner, died suddenly on Februat the age of 63 due to complications after surgery.