During a climactic scene on the bridge, the oldest child, Tommy Starnes (played by Craig Hundley), casts a spell to make Captain Kirk's voice unintelligible, so as to render him unable to give orders to his crew. To accomplish this effect in the production of the show, some of William Shatner's dialogue was recorded and then played back in reverse. When the audio is reversed in this segment of the finished soundtrack, Shatner can be heard clearly for the majority of the segment to state: