Galileo

Chaim Topol

Galileo Galilei

Edward Fox

Cardinal Inquisitor

Colin Blakely

Priuli

Georgia Brown

Ballad Singer's Wife

Clive Revill

Ballad Singer

Margaret Leighton

Elderly Court Lady

John Gielgud

The Old Cardinal

Michael Gough

Sagredo

Michael Lonsdale

Cardinal Barberini (later Pope Urban VIII)

Richard O'Callaghan

Fulganzio

Tim Woodward

Ludovico Marsili

Judy Parfitt

Angelica Sarti

John McEnery

Federzoni

Patrick Magee

Cardinal Bellarmin

Mary Larkin

Virginia