How could I find the number of movies every two actors had played the below Data Frame?

Question

I have a Data Frame:

pd.DataFrame({\'movie\':[\'HT\',\'TP\',\'Wi\',\'kah\',\'MB\'],\'actors\':[[\'QQ\',\'AA\',\'ZZ\',\'WW\',\'SS\',\'XX\'],[\'QQ\',\'WW\',\'EE\'