David Attenborough
Richard Dormer Sienna Guillory Mia Jexen Sofie Gråbøl Luke Treadaway John Boyd Björn Hlynur Haraldsson Alexandra Moen Dennis Quaid
Elliot Page Tom Hopper David Castañeda Emmy Raver-Lampman Robert Sheehan Aidan Gallagher Justin H. Min Ritu Arya Yusuf Gatewood Marin Ireland Adam Godley Kate Walsh Colm Feore Cameron Britton Mary J. Blige
Elliot Page Tom Hopper David Castañeda Emmy Raver-Lampman Robert Sheehan Aidan Gallagher Justin H. Min Ritu Arya Genesis Rodriguez Colm Feore Britne Oldford Jordan Claire Robbins Jake Epstein Cazzie David Javon 'Wanna' Walton Callum Keith Rennie
Eleanor Tomlinson Rafe Spall Robert Carlyle Rupert Graves Nicholas Le Prevost Harry Melling Jonathan Aris Susan Wooldridge
Hannah Ware Zoë Tapper Dimitri Leonidas
Justin Willman
Caity Lotz Victor Garber Brandon Routh Franz Drameh Amy Pemberton Dominic Purcell Maisie Richardson-Sellers Nick Zano Arthur Darvill Wentworth Miller Tala Ashe Adam Tsekhman Christina Brucato Simon Merrells Nils Hognestad Jes Macallan Keiynan Lonsdale