Alison Brie/Instagram Alison Brie couldn't do a single pull-up before she started auditioning for "Glow." But she and trainer Jason Walsh started training to prepare for her role. Now she can do upwards of 40 pull-ups in sets. She can even do one-arm pull-ups. Watch the video below. Alison Brie trains hard for "Glow." The 35-year-old actress was on CBS' "The Late Show With Stephen Colbert" Monday night and discussed how she stays in shape for Netflix's wrestling series.