as

White House Chief of Staff

as

Mark

as

Dr. Tim Reid

as

Richard Wakefield

as

Richard Schultz

as

Heywood Flannigan

as

Conlon

as

David Hernande

as

Tom

as

Andrew Grant

as

Henry (segment "Wraparound")

as

Professor

as

Barney (voice)

as

Mike Hicks

as

(voice)

as

Dr. Douglas Filmore

as

Terry Thomas

as

Charlie (wraparound segments)

as

Funny Guy

as

Laird Jones

as

Ted Schmidt

as

Gavin Pearson

as

Ian

as

Carl

as

Chuck