With a self-declared focus on "a resident acting ensemble, fidelity to the playwright's intentions and a close relationship between actor and audience", the Intiman soon called itself as "Seattle's classic theater".

It was also home to the world premieres of the Tony-winning Broadway musical The Light in the Piazza,[3] Craig Lucas's Singing Forest[4] and Dan Savage's "Miracle!".

[1] Over the next few years, the company mounted productions at Cornish College[2] and Gary Austin's[citation needed] Second Stage Theatre in Seattle,[2] growing in attendance and budget each season.

By 1978, Intiman called itself "Seattle's Classic Theatre"[1] and featured a resident company of fourteen actors,[citation needed] including Megan Cole, Clayton Corzatte, Ted D'Arms, John Gilbert, Patricia Healy, Richard Riele, Peter Silbert, Meg Hilton, Barry Mulholland, and Jean Smart.

[1] Over the next several years, Intiman was awarded institutional status by the King County and Washington State Arts Commissions and received an NEA challenge grant.

[1] In 1994, Intiman became the first regional theatre company in the country to be awarded the rights to produce Tony Kushner's Tony- and Pulitzer-winning two-part epic Angels in America.

[1] Over the next decade, Intiman produced plays by such provocative and influential American writers as Edward Albee, Moisés Kaufman, Ellen McLaughlin, Terrence McNally, David Rabe, Anna Deavere Smith, Paula Vogel, and Chay Yew.