Leo McKern

Galileo

Nigel Stock

Narrator / Sagredo / Cardinal Bellarmin / Pamphleteer / Peasant

Fergus McClelland

Andrea, the boy

Rosalie Crutchley

Mrs. Sarti

George Roubicek

Ludovico

Anthony Morton

Priuli, the Curator

Paul Endersby

The Doge / Christopher Clavius

Sheila Shand Gibbs

Virginia

Martin Sterndale

Matti

Michael Peake

Senator

Darryl Read

Prince Cosimo de Medici

Vernon Dobtcheff

Philosopher

Charles Jarrott