The Saltah'na clock that Sisko builds in this episode is seen in the background of his office in many episodes after this.
During the filming of the episode, Nana Visitor slipped on a wet stairway and hurt her back. While Visitor wanted to film her scenes as usual, Rick Berman urged her to go to hospital.
The Saltah'na clock was designed by Ricardo Delgado.
Director Cliff Bole says of Avery Brooks' performance in this episode, "The public didn't know the extent of his abilities for a long time. This man is awesome!"
Dramatis personae is a Latin phrase meaning "the masks of drama" and is used to refer to the characters represented in a dramatic work.