Beginning in 1987, Moorer began to perform mostly with the theatre company that he founded, GroveMont Theatre, later known as Pacific Repertory Theatre (PacRep). His roles there in dramas, comedies and musicals included The Reporter in "How I Got That Story" (1987); Sylvestro in "Scapino" (1988); Williamson in "Glengarry Glen Ross" (1989); Valmont in "Les Liaisons Dangereuses" (1990); Barry Champlain in "Talk Radio" (1992); the title roles in "Hamlet" (1993) and "Volpone" (2000); Pilate in "Jesus Christ Superstar"; Johnny in "Shimmer" (1998); Brick in "Cat on a Hot Tin Roof" and Uncle Peck in "How I Learned to Drive" (both in 1999).