Related Clues:

• "That's not in the script!" evoker
• Way to disorient one's co-stars
• "Whose Line Is It Anyway?" line
• Riff on stage
• Off-the-cuff remark
• Speak without preparation
• Improvise one's lines
• Failing to start ribald dance without rehearsal
• Offhand, as one Tory maybe, with easy victory over unions
• Rudely casual; impromptu
• Where fingerprints are taken without consideration
• Unrehearsed concert the writer's put out about
• Unscripted remark
• Not prepared to busk
• As much as you want