Industry

Learn what a clapperboard is, why productions still rely on one, and how to correctly fill out every field on a slate, from production title to timecode.

Celtx sponsors Best Screenplay at Collective Film Festival London. Read our Q&A on supporting indie screenwriting and UK storytellers.

Write a screenplay query letter that gets attention. Learn what to include, how to pitch your script, and see real examples.

Learn how WGA script registration works, what it costs, how it differs from copyright, and whether screenwriters should register their scripts.

Discover what a casting director does on set. Learn how to run audition rooms, work with agents, and build a career in casting today.

Ready to sell your series? Learn how to pitch a tv show, build an irresistible bible, and hook executives before you even walk into the room.

Learn how to become a film runner and kickstart your career. Discover why it’s the perfect entry-level film job to get your foot in the door.

Want to sell a screenplay without an agent? Learn how to pitch producers directly and download our free screenplay submission checklist now!

Want to land your first film job? Learn the role with our 2026 guide on how to become a production assistant. Includes a free professional PA checklist!

Create a film pitch deck that stands out. Learn what to include, how to structure your slides, and download a free pitch deck checklist.