Kenneth Kato
Secretary of Treasury [1.21]
Carol Villenuevo*
The Assistant Secretary for Legislative Affairs [2.19]
George Rollie
Director of the Central Intelligence Agency (2004)
Rob Konrad
Director of the Central Intelligence Agency (2000) [1.21]
Ron Butterfield
Head of the President's Secret Service detail [1.6]
Tommy Cho
Wesley Davis
Notable Quotes
"You know I could kill you and just make up the reason why I did, right?" [4.22]

"Bookbag's been taken.  She's been taken, and I've got an agent down.  We're black.  Go to black." [4.22]

"Who gave this to you?  Give me a name.  Listen to me, you're going to be fine.  You're the key witness to the end of the world." [4.23]

Jamie Dawson
Simon Donovan
Notable Quotes

"Better safe than sorry is kind of a motto for us over at Treasury." [3.19]

"I have spent my adult life protecting people, you're the first person who's got me strongly thinking about switching sides." [3.22]

Fred*
Molly O'Connor
Jamie Reed
Frank Tenney*
Gina Toscano
A Secret Service agent assigned to Zoey Bartlet's detail
Randy Weathers
* Individuals noted with an asterisk have been mentioned, but have never appeared.