Answer:
There are A LOT of characters in Macbeth, but here they are.
Explanation:
Macduff
Macbeth
Lady Macbeth
King Duncan
Banquo
Malcolm
Three Witches
Fleance
Donalbain
Lady Macduff
Young Siward
Third Murderer
Macduff's son
Seyton
Doctor
Second Murderer
Servant
Old man
Captain
Children
Ross
Angus
Lennox
Porter
Gentlewoman
First murderer
That's all that I can think of! Hope I could help you out :)