Comic delayed reaction

• Bit from a documentary about cloning?
• Surprised second look
• Surprised reaction ... or a hint to what can precede both halves of the answers to the starred clues
• Greatly increase receipts: that brings surprised reaction
• Redo of a movie scene?
• Delayed show of surprise
• Delayed reaction
• Second look

Wikipedia Word definitions in Wikipedia
Doubletake was a BBC comedy programme, created by Alison Jackson . It made extensive use of celebrity look-alikes playing their doubles in apparently embarrassing situations, seen through CCTV cameras and amateur video, using distance shots and shaky camera-work ...