Alex Epstein brings a screenwriting pro's honesty, skill, and expertise to a field otherwise crowded with how-to-write quacks. John Badham, director of Saturday Night Fever Alex Epstein brings a screenwriting pro's honesty, skill, and expertise to a field otherwise crowded with how-to-write quacks. --John Badham, director of Saturday Night Fever Alex Epstein brings a screenwriting pro's honesty, skill, and expertise to a field otherwise crowded with how-to-write quacks. --John Badham, director of Saturday Night Fever