According to IMDB, Kubrick thought about casting Woody Allen as Victor Ziegler.

Kim Basinger and Alec Baldwin were supposedly considered to play the leads.

Melissa reportedly auditiond for a role in Eyes Wide Shut.

Harvey Keitel actually filmed some scenes as Victor Ziegler before he left the project.

Jennifer Jason Leigh was originally cast, but as the shoot continued for more than a year--Leigh left the project to pursue other commitments. She was replaced by Marie Richardson.

Kubrick considered Steve Martin to play Bill Harford.