What is a character in a show called that Is never elaborated much on or given much info about?

There is a specific name for it,Im just wondering the specific term. or:There is a specific name for it,Im just wondering the specific term.or:Minor c

There is a specific name for it,Im just wondering the specific term.

or:There is a specific name for it,Im just wondering the specific term.

or:Minor character, silenced character, background character

or:Extra

Tags:wondering,