Scott Peterson

Self (archive footage)

Laci Peterson

Self (archive footage)

David Muir

Self - Co-Host

Elizabeth Vargas

Self - Co-Host

Dan Abrams

Self

Gloria Allred

Self

Nancy Grace

Self

Stacy Boyers

Self - Laci's Friend

Birgit Fladager

Self - Chief Deputy District Attorney

Mark Geragos

Self - Scott Peterson's Defense Attorney

Jon Buehler

Self - Detective, Modesto PD (CA)

Allen Brocchini

Self - Detective, Modesto PD (CA)