Linda Carman
Self - Nathan's Mother (archive footage)
Eric Gempp
Self - Coast Guard Investigator
Alfred Bucco
Self - Deputy Chief, South Kingstown PD (RI)
Mark Francis
Self - Lieutenant (Ret.), Windsor PD (CT)
Scott MacGregor
Self - Detective, Windsor PD (CT)
Elizabeth Kelley
Self - Autism Specialist Attorney
David Sullivan
Self - Nathan's Defense Attorney
Martin Minnella
Self - Nathan's Defense Attorney
Liam O'Connell
Self - Maritime Investigator
Mike Sarraille
Self - Navy SEAL (Ret.) / Expert Witness
John Elder Robison
Self - Defense Autism Expert