<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by BigBadJohn:
ok heres the story i booked 2 tickets man-lhr special fare my travelling companion cant travel but another friend can will it be ok or are we risking it
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So that's why they call you "Bad". I couldn't possibly condone such an act.
But to answer your original question... I've flown MAN-LHR about 200 times and have never had to show ID except when picking up tickets at the airport. (Even then, they will accept a diamond club card)