Trivia: Of the three lead actors, David McCallum was the only one who never appeared on The Girl from U.N.C.L.E.. Robert Vaughn made one guest appearance, while Leo Carroll was a series regular on both shows simultaneously.
Cubs Fan
22nd Feb 2011
22nd Feb 2011
Trivia: Of the three lead actors, David McCallum was the only one who never appeared on The Girl from U.N.C.L.E.. Robert Vaughn made one guest appearance, while Leo Carroll was a series regular on both shows simultaneously.