Possible Clues:

• How the outsider get 'er on the phone
• Dos work in the open make him lose his head with fury?
• National Forest policer
• Member of countryside group organised by German
• Cross off the top of him to make him cross
• He gets a work out and gets his rag out lat last
• Cross at being beheaded in the open
• Park person
• Cross off his head to make him cross (6)
• One's not all the rage - just if one loses one's head