Longtime bachelor Clooney asked lawyer Amal Alamuddin to be his second wife last week (ends25Apr14), surprising many fans who thought the Ocean's Eleven star would never settle down after a string of failed romances.
But Farrow, who is a friend of Alamuddin's, admits he can understand why the ladies' man decided she was the one.
The news anchorman, who turns to Alamuddin for advice on privacy law, says, "Amal is incredibly accomplished and has a substantive legal mind. I have a lot of admiration for what she does.
"She's tremendously charming and beguiling. Just look at her career. When I'm ready to do an interview on privacy law... she's one of the people that I turn to. She's wonderful."