Director Roger Mathey and Seat of the Pants Productions return with a solid revival of their 2002 production about four lower-class Edinburgh youths prematurely entombed in a hellish world of sex, heroin addiction and violence. The story is based on the 1993 novel by Irvine Welsh (the source material for Danny Boyle's 1996 film) and adapted for the stage by Harry Gibson. Mathey sacrifices nothing in the way of raw, nausea-inducing moments in this outing (shit really does fly, and there is full nudity), and this time he efficiently uses a larger cast, with some actors taking on multiple roles. Justin Zachary returns as narrator-protagonist Mark Renton, who in spite of numerous attempts at rehab can't kick the habit. Also returning are David Agranov as Mark's close friend Tommy, who eventually succumbs to heroin's lethal allure; Matt Tully as Begbie; and Jonathan Roumie as Sick Boy. In spite of the dismal subject matter, Mathey unearths some necessary humor, a lot of it coming from Mark's often ironic, understated commentary. Still, at times the Scottish accents make it near impossible to understand the dialogue (Tully often sounds like he's chewing a mouthful of oatmeal). Jason Rupert's scenic design consisting of a platform that doubles as a home interior, bracketed by two graffiti-pocked walls, is suitably raunchy. Elephant Theatre, 6322 Santa Monica Blvd; Hlywd., Fri.-Sat., 8 p.m.; Sun., 7 p.m.; through April 13. (323) 960-7785, plays411.com/trainspotting.

Fridays, Saturdays, 8 p.m.; Sundays, 7 p.m. Starts: March 9. Continues through June 2, 2013

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