The other main Equity houses are the ACT and Seattle Rep. The Act is currently doing a different play by Disgraced's Ayad Akhtar but only 'til the end of the month, and then next month Vanya & Sonio & Masha & Spike. Hometown boy Jinx Monsoon is doing the show she did in NY, The Vaudvillians next month at the Rep, and later this winter they are doing both All The Way and it's sequel The Great Society, I believe with the cast that premiered these pieces at the Oregon Shakespeare Fest.
The Seattle Opera always does amazing productions - there is a lot of money in Seattle for the arts from people like the McCaw family and Bill & Melinda Gates, and it shows in the quality of productions.
There are also lots of small edgey theatre groups doing short runs of interesting things. The best source of info is the weekly paper The Stranger, which also posts everything online at their site. Be aware that Seattle is by American standards a very politically liberal city, so while The Stranger is the most popular weekly, articles in it will offend those with more conservative views.
There are also a few cool late-night burlesque cabarets (naked girls) and high quality drag shows. Le Faux, Friday and Saturday nights, is one of the best drag shows anywhere - almost Vegas. They also do a Sunday brunch show, but the Sunday brunch show I like is Mama Tits' Mimosas With Mama. Again you better be liberal minded, pot is legal in Washington and the last time I saw Mama Tits she smoked a big fatty right on stage and passed it through the crowd.
If you are gay and cruising, The Eagle and Pony are both recommended, and Seattle Steamworks on the weekend is usually psycho, and makes us Vancouverites look like a bunch of prudes.
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