Possible Clues:

• So as to work together, made a cask and had a meal
• One who makes barrels will work together with eight more, by the sound of it
• So as to make a barrel one was fed to be helpful
• Work with someone in the theatre?
• Old comedian scoffed to do what the two Ronnies did
• Join in as craftsman took a meal
• Play ball, throwing a rope, etc, around ring
• Get together and manage to admit nothing to judge
• Work in bed? Initially, employer to play along
• Comedian Tommy had to play ball