A callback is an additional audition that allows the casting director to vet the actors before deciding who gets the role, aswell as get insight from the directors and producers. Not all acting jobs require callbacks, but some (especially larger roles) may need multiple call backs before getting offered the job.

Initial auditions are often conducted via self-tape, whilst callbacks are usually in person or via zoom. It’s common to have to do chemistry tests or scenes with other actors to see how you fit into the larger picture of the cast. i.e, the look of a family.