 He made his way through acting classes, auditioning and trying to find an agent.When he was approximately 15, Stiller obtained a small part with one line on the television soap opera "Guiding Light", although in an interview he characterized his performance as poor.He was later cast in a role in the 1986 Broadway revival of John Guare's "The House of Blue Leaves", alongside John Mahoney; the production would garner four Tony Awards.