"Brad and I have spent more time together over the last 20 years than I have with my actual siblings," Allison Janney tells PEOPLE The West Wing was truly something special. It's been nearly 20 years ...

"We have this permanent family from that, which is a really wonderful thing, outside of any showbiz crap," Whitford tells PEOPLE of the cast's bond Whitford and Janney reunite onscreen in The Diplomat ...