Actor
Richard Trethewey
2 credited titles on WatchWise
Richard Trethewey is an American plumbing and heating expert and television personality best known for his longtime work on This Old House and Ask This Old House. A licensed master plumber, he joined This Old House in 1979 and has since become one of the program’s most enduring experts, explaining plumbing, heating, cooling, and mechanical systems to homeowners. Trethewey is also a principal of RST Inc., a manufacturers’ representative company serving the plumbing and heating industry.
Commercial performance
Not enough verified figures yet — only 0 of 2 catalogued titles have publicly reported budget and worldwide gross. Many films (television, independent and regional cinema) never publish these numbers; where they exist, WatchWise fills them in automatically from TMDB and Wikipedia.
Acted in (2)
Titles are ones WatchWise has catalogued so far — not necessarily a complete filmography.