Noah Wyle looks back on his time playing Dr. John Carter on 'ER' and his crossover with 'Friends,' revealing to PEOPLE he was never aware of the two shows' Rachel connection.

In 1995, during season 1 of Friends, both Wyle and Clooney ... The two portrayed attractive doctors who come across Rachel ...

The actor looks back on his time playing Dr. John Carter on the NBC medical drama and his crossover with 'Friends' ...