Related Clues:

• Dennis of the comics, for one
• With 100-Down, 'Now hold on just a second!'
• What the hero faces, in a cliffhanger
• Threaten to show perhaps king and jack with an ace
• It may be empty
• Risk exposure
• Action film heroes are often in it
• Horse-halting cry
• Board game originally titled 'La Conquête du Monde'
• See 15
• See 10
• How about a call to slow down?
• The danger of a topper - ill-balanced, etc
• Doctor, one that stops a horse
• How odd a call to stop