The Chorus in Christopher Marlowe's The Tragical History Of Doctor Faustus performs many of the same functions as the Chorus in ancient Greek plays, as well as in other Elizabethan plays, such as the plays of William Shakespeare.
The primary function of the Chorus is to provide information to the audience that will help them to understand the play.
At the very beginning of Doctor Faustus, the Chorus provides information about Faustus himself—where he was born, where he went to school, how he excelled in theology, and his interest in the forbidden study of magic and "cursed necromancy"—and sets the scene for the play.
The Chorus serves essentially the same purpose in the plays of Aeschylus, Sophocles, and Euripides, and in Shakespeare's Romeo and Juliet, Henry V, and Pericles.
As a side note, in some versions of Doctor Faustus, Faustus's comic servant, Wagner, is assigned the Chorus's lines. It's likely that at some time in the performance history of Doctor Faustus the actor who played Wagner also...
(The entire section contains 3 answers and 926 words.)