noun
A role in film, television, or other production settings, assisting the director with coordination and logistics.
彼は映画の現場でアシスタントディレクターとして働いている。
He works as an assistant director on film sets.
Variant with interpunct, sometimes used for clarity in written materials.
ディレクター is the director, the person in charge, while アシスタントディレクター is the assistant who supports the director.
Loanword from English 'assistant director'.