"When I am cast in a movie where I feel that the woman's part is more interesting, I usually start thinking about Spencer Tracy and Fred Astaire. They seem to be the most clear actors when working with women"

Jack Nicholson is referring to 2 of the most iconic stars of perpetuity, Spencer Tracy and Fred Astaire. He is suggesting that when he is cast in a motion picture where the female function is more intriguing, he wants to these two stars for inspiration. Nicholson is suggesting that Tracy and Astaire had an unique ability to bring out the best in their female co-stars. He is likewise recommending that he seeks to them for assistance when it concerns dealing with women in his own films. Nicholson is paying homage to 2 of the best actors of all time and is suggesting that he seeks to them for guidance when it pertains to dealing with women. He is likewise suggesting that they had a special capability to bring out the very best in their female co-stars.