What does Dan Ferguson say are the two things that keep most actors going?

1.

The two things that Dan Ferguson mentions in the passage  

that keeps most actors going is the possibility of fame and  

possibility of making a lot of money.

2.

The two difficulties of acting mentioned by Dan Ferguson  

are the following. Dan Ferguson mentions that every actor  

has to realize that every role they play could be their last  

one.

Explanation:

triumphantly i think that is the answer.