Diamonds for Breakfast

Marcello Mastroianni

Grand Duke Nicholas Wladimirovitch Goduno

Rita Tushingham

Bridget Rafferty

Elaine Taylor

Victoria

Margaret Blye

Honey

Warren Mitchell

Popov

Leonard Rossiter

Inspector Dudley

Bill Fraser

Bookseller

Bryan Pringle

Police Sergeant

Francesca Tu

Jeanne Silkingers

David Horne

Duke of Windemere

Charles Lloyd Pack

Butler

Anne Blake

Nashka

David Webb

Juba Kennerley

Casino Patron (uncredited)

Ian Trigger

Popov's assistant (uncredited)

Norman Mitchell

(uncredited)

Nora Nicholson

Anastasia Petrovna

Rosalind Knight

Museum Visitor in Pink Dress (uncredited)

Ronald Harwood

Writer

Carlo Ponti

Producer

Pierre Rouve

Writer, Executive Producer

Gerry Turpin

Cinematography

Ernesto Gastaldi

Writer

Peter Tanner

Editor

Bruce Sharman

Production Manager

Christopher Morahan

Director

John O'Gorman

Makeup Artist

Selig J. Seligman

Producer

Leigh Aman

Associate Producer

Reece Pemberton

Production Design

Norman Kay

Music

Toni Delaney

Makeup Artist

Dinah Greet

Costume Design

N.F. Simpson

Writer