Graham Greene as Lloyd Blackburn, Ph.D

Mark Rendall as Simon Jackson

Ed Begley Jr. as Frank Perdue

Katie Stuart as Marcus Perdue

Catherine Disher as Ms. Starr

Owen Roth as Neil Lawrence

Troy Yorke as Fergus Diogenes

Pamela Sinha as Sophie Sabris, Minister

Jonathan Potts as Clive Jackson

Jude Coffey as Carol Ann

Mark Caven as Mr. Hall

Herbie Barnes as Weasel

Melody A. Johnson as Assistant to Sophie

The Trews as Themselves