Extinct: A Horizon Guide to Dinosaurs

Dallas Campbell

Himself - Presenter

Robert McNeill Alexander

Himself - Leeds University (archive footage)

Luiz Alvarez

Himself - University of California (archive footage)

David Archibald

Himself - San Diego State University (archive footage) (as Prof David Archibald)

Claire Belcher

Herself - Royal Holloway, University of London (archive footage)

Brent Breithaupt

Himself - Palaeontologist (archive footage)