Related Clues:

• Star playing Castro
• Kind of oil, which helps things to run smoothly
• One assuming the lead in 'The Mousetrap'?
• Wheel oil
• A star, but not one of the big wheels
• Twin helps in moving furniture
• Important person (slang)
• Conservative newspaper proprietor once a star
• Business honcho
• __ oil
• Oil wheel
• Sort of oil for wheel? Yes and no
• Project given gold star
• Oil the wheel
• Furniture wheel; sort of oil