Assistant directing & set coordination · Core

Third assistant director

Also called: 3rd AD, 2nd 2nd AD

ELI5

An assistant director supporting on-set movement, background action, lock-ups and communication.

“The third assistant director needs the latest materials before the next production meeting.”

You may encounter “Third assistant director” in production, set safety, stunts & practical effects conversations or materials.

Why it matters: Explains the physical-production roles, plans and safety systems behind the shoot.

Second assistant directorComputed from definition language and shared taxonomy. This indicates proximity, not synonymy.

When the words have to travel

Bring the script, brief or half-formed thought. We help find the shape people need to understand.

Sources & evidence · 4

Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.