Related Clues:

• Copied
• Played charades
• Emulated Marceau
• Performed silently
• Acted wordlessly
• Went without saying?
• Acted out
• Emulated Harpo
• Gave the silent treatment?
• Said with gestures
• Portrayed using gestures
• Acted quietly?
• Aped
• Declined to comment?
• Depicted wordlessly