Film production stages include (very broadly)

Development:

• script development, or purchase of a screenplay
• rewriting the screenplay (repeat) -- see development hell
• financing

Pre-production:

• budgeting
• scheduling
• casting
• rehearsals
• set construction

Production:

• principal photography
• visual effects

Post-production:

• film editing
• special effects
• composing score
• sound editing
• sound effects

Distribution

• marketing

Merchandising

See also

• List of motion picture-related topics