Related Clues:

• "Third Rock From the Sun" family, e.g
• Hit film directed by James Cameron
• 'Barbarella' extras, for short
• Score keeper, for short?
• [See note]
• These in one place may be another's 23
• 8-Down characters, briefly
• Klingons, e.g
• "Doctor Who" creatures
• Those aboard a U.F.O
• Sci-fi creatures: Abbr
• Forecasting figs
• 55-Across passengers
• James Cameron hit
• "Men in Black" figures