Jim Carrey

as Truman Burbank

Laura Linney

as Meryl Burbank / Hannah Gill

Noah Emmerich

as Marlon / Louis Coltrane

Natascha McElhone

as Lauren Garland / Sylvia

Holland Taylor

as Angela Montclair / Alanis Montclair

Ed Harris

as Christof

Paul Giamatti

as Simeon

Brian Delate

as Walter Moore / Kirk Burbank