Cast
R
Robert McNeill Alexander
as Himself - Leeds University (archive footage)
L
Luiz Alvarez
as Himself - University of California (archive footage)
D
David Archibald
as Himself - San Diego State University (archive footage) (as Prof David Archibald)
C
Claire Belcher
as Herself - Royal Holloway, University of London (archive footage)
B
Brent Breithaupt
as Himself - Palaeontologist (archive footage)
C
Chris Brochu
as Himself - University of Iowa (archive footage)
J
Julia Clarke
as Herself - Palaeontologist (archive footage)
K
Kristi Curry Rogers
as Herself - Palaeontologist (archive footage)
C
Cesare Emiliani
as Himself - Professor of Geology, University of Miami (archive footage)
A
Alan Feduccia
as Himself - University of California (archive footage)
A
Alan Hildebrand
as Himself - Geological Survey of Canada (archive footage)
F
Florence McGovern
as Herself - Fossil Dealer (archive footage)
A
Angela Milner
as Herself - Natural History Museum (archive footage)
S
Simon Conway Morris
as Himself - Evolutionary Palaeobiologist (archive footage)
J
John Ostrom
as Himself - Yale University (archive footage)
T
Tim Rowe
as Himself - University of Texas (archive footage)
D
Dale A. Russell
as Himself - Paleobiologist, National Museums of Canada (archive footage)
