Character Analysis: Supporting Characters

While Macbeth and Lady Macbeth dominate the play, the supporting characters serve essential dramatic, thematic, and structural functions. Understanding their roles — and how they relate to the protagonists — is key to a sophisticated GCSE response.

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Character Relationship Map

                    THE WITCHES
                   /           \
              prophecy        prophecy
                /               \
           MACBETH ----foil---- BANQUO
              |                    |
         murders               ancestor of
              |                    |
           DUNCAN              (future kings)
              |
         succeeded by
              |
           MALCOLM
              |
         supported by
              |
           MACDUFF
              |
         family murdered by
              |
           MACBETH

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Banquo — The Foil

Banquo is the most important foil to Macbeth. A foil is a character who highlights another character's qualities through contrast.

How Banquo contrasts with Macbeth

Aspect	Macbeth	Banquo
Reaction to prophecy	Immediately thinks of murder	Cautious and suspicious
Moral choice	Gives in to temptation	Resists temptation
Relationship with evil	Actively seeks the Witches	Warns against "instruments of darkness"
Loyalty to Duncan	Betrays and murders him	Remains loyal
Legacy	Dies without heirs on the throne	His line will produce kings