Diane

Lana Turner

As Diane de Poitiers - Countess de Breze

Pedro Armendáriz

As King Francis I

Roger Moore

As Prince Henri

Marisa Pavan

As Catherine de Medici

Cedric Hardwicke

As Ruggieri

Torin Thatcher

As Louis - Count de Breze

Taina Elg

As Alys

John Lupton

As Regnault

Henry Daniell

As Gondi

Ronald Green

As Francis III - The Dauphin

Sean McClory

As Count Michel Montgomery

Geoffrey Toone

As Duke of Savoy

Michael Ansara

As Count Ridolfi

Paul Cavanagh

As Lord Bonnivet

Melville Cooper

As 1st Court Physician

Ian Wolfe

As Lord Tremouille

Basil Ruysdael

As Chamberlain

Christopher Dark

As Giancarlo

Marc Cavell

As Piero

Gene Reynolds

As Montecuculli

John O'Malley

As Marechal de Chabannes

Peter Gray

As Sardini

Mickey Maga

As Charles

Ronald Anton

As Francis

Ann Brendon

As Lady in Waiting (uncredited)

Peter Brocco

As Court Painter (uncredited)

Wes Christensen

As Guard (uncredited)

Bunny Cooper

As Lady in Waiting (uncredited)

Barbara Darrow

As Lady in Waiting (uncredited)

Leslie Denison

As Chief Huntsman (uncredited)

Robert Dix

As Young Officer (uncredited)

James Drury

As Lieutenant (uncredited)

James Fairfax

As Suitor (uncredited)

Jamie Farr

As Count Ridolfi's Mute Squire (uncredited)

Pat Ferguson

As Groom (uncredited)

Duane Grey

As Captain of the Guard (uncredited)

Peter Hansen

As 2nd Court Physician (uncredited)

Peter Hansen

As Messenger (uncredited)

Percy Helton

As Court Jester (uncredited)

David Hoffman

As Court Painter (uncredited)

Alicia Ibanez

As Lady in Waiting (uncredited)

John Irving

As Gentleman (uncredited)

Charles Keane

As Captain (uncredited)

Paul Kent

As Groom (uncredited)

Alan Lee

As Worshipper (uncredited)

James Logan

As Suitor (uncredited)

Britt Lomond

As Guard (uncredited)

Tyler MacDuff

As Montgomery's Squire (uncredited)

Anthony Marsh

As Gentleman (uncredited)

Jerry Martin

As Barber (uncredited)

Fay Morley

As Lady in Waiting (uncredited)

Leonard Mudie

As Porter (uncredited)

Vesey O'Davoren

As Valet (uncredited)

Milton Parsons

As Suitor (uncredited)

Paul Préboist

As Extra (uncredited)

Ann Staunton

As Lady in Waiting (uncredited)

Stuart Whitman

As Henri's Squire (uncredited)