Answer
Flubber, a 1997 comedy, features Marcia Gay Harden and Robin Williams as co-stars. The film centers around Professor Brainard (Williams), an absent-minded scientist who accidentally creates a revolutionary substance called Flubber. Harden plays Dr. Sara Jean Reynolds, a fellow scientist who assists Brainard in harnessing the power of Flubber. Together, they navigate the challenges and comedic misadventures that arise from their groundbreaking discovery.