Greek plays often began with a short introductory speech or scene ...

[Hungry!]

Greek plays often began with a short introductory speech or scene known as the
  _____.

 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The third actor in a Greek play was called the _____.
 
  Fill in the blank(s) with the appropriate word(s).

[zoeyesther]

Answer to Question 1

Answer: Prologue

Answer to Question 2

Answer: Tritagonist

[Hungry!]

Thanks for the timely response, appreciate it

[sultansheikh]

Excellent