Scott Lowell

as White House Chief of Staff

as Mark

as Dr. Tim Reid

as Richard Wakefield (1 episode)

as Richard Schultz

as Heywood Flannigan

as Conlon (1 episode)

as David Hernande (1 episode)

as Andrew Grant (1 episode)

as Tom

as Professor (2 episodes)

as Henry (segment "Wraparound")

as Mike Hicks (1 episode)

as Dr. Douglas Filmore (3 episodes)

as Barney (voice) (1 episode), as (voice) (1 episode)

as Terry Thomas (1 episode)

as Charlie (wraparound segments)

as Ted Schmidt (83 episodes)

as Funny Guy

as Gavin Pearson (1 episode)

as Laird Jones

as Ian

as Carl (1 episode)

as Chuck (1 episode)