Nicholas Clay
— Charles Darwin
Susan Macready
— Emma Wedgewood Darwin
Ian Richardson
— Capt. Fitzroy
Christopher Martin
— Sullivan
Robert Flemyng
— Prof. Henslow
Philip Brack
— Thomas Huxley
Michael Malnick
— Hooker
Aubrey Woods
— Bishop Wilberforce
David Davenport
— Robert Darwin
Hugh Morton
— Josiah Wedgewood
Carl Bernard
— Moreno
Richard Ireson
— Wickam
Luke Batchelor
— Darwin's Child
Rachel Brennock
— Darwin's Child
Denise Gyngell
— Darwin's Child
Michael Gyngell
— Darwin's Child
Paul Gyngell
— Darwin's Child
John Baskcomb
— Prof. Draper
Tony Robinson
— Man in the Crowd
Joy Stewart
— Lady Gilroy
Rollo Gamble
— Le grand veneur
Geoffrey Russell
— Newspaperman
Charles Simon
— Preacher
Philip Newman
— Deputy
Faith Kent
— Lady #1
Susan Travers
— Lady #2
Brian Anthony
— Student
Roy Denton
— Man with a Cold
Archie Wilson
— Speaker
Michael Sheard
— Man #1