After a year as an undergraduate at Oxford, Andreas Teuber was cast in the role of Mephistopheles in the Oxford University Drama Society production of Christopher Marlowe's "Doctor Faustus," opposite Richard Burton as Faustus and Elizabeth Taylor as Helen of Troy and he repeated his role in the Columbia Pictures movie version of Doctor Faustus (1967) made the following summer and now available on DVD. Subsequently he guest-starred on a number of television series, among them, "I Spy" with Bill Cosby and Robert Culp and "The Big Valley" with Barbara Stanwyck, Linda Evans, Lee Majors, Richard Long, and Peter Breck.
He also played the title role in the PBS N.E.T. Playhouse National telecast of _Generation of Leaves: Jesus - A Passion Play for Americans (1970_, a jazz/rock re-telling (music by Peter Ivers) of the last ten days of Christ, produced by Jac Venza, a forerunner of _Godspell: A Musical Based on the Gospel According to St. Matthew (1973)_ and _Jesus Christ Superstar (1973)_.
He founded the new Poets' Theater and was its Artistic Director from 1987 to 1998, working with poets Seamus Heaney, Joseph Brodsky, Derek Walcott, Anthony Hecht, Amy Clampitt, Richard Wilbur, John Ashbery, Kenward Elmslie, Alison Lurie, Kenneth Koch, William Corbett, Joe LeSuer, Lloyd Schwartz, Gail Mazur and Allen Ginsberg. In 1992 he founded the Cambridge Theater Company, and also served as its Artistic Director until 1998. The Theater Company produced its shows at the Hasty Pudding Theater in Harvard Square and gained a reputation as Boston's leading off-Broadway theater. In 1998 the Theater Company was awarded the Elliot Norton Award, Boston's highest Theater Honor, for the Best Production of the Year.
As director of many of the stage productions for both the Poets Theater and the Cambridge Theater Company, he directed onstage, among others, Claire Bloom, William Cain, Stockard Channing, Lindsay Crouse, Blythe Danner, Peter Falk Julie Harris, John Heard, Cherry Jones, Bill Murray, Alan Rachins, Christopher Reeve, Wallace Shawn, Kathryn Walker, Sam Waterston, Debra Winger and Irene Worth.