The Magic "cast" Roundabout.

The practice of TV programme producers using one of the same small group of supporting cast actors in different programmes, because they choose "characters" rather than actors, thus there's no time wasted "getting themselves into the part" required. These actors will play similar characters to that which they played in another recent drama, some as in period dramas, even wearing similar costumes to those they wore before. It seems that sometimes, as soon as these people "exit stage right" in one drama, round they come again "entering stage left" in something else. "The Magic Roundabout" is the title of a children's stop-action cartoon series. A roundabout being shown during the opening credits