- Brian Wilde - Basil Willett
- Peter Bayliss - Lord Alex Grant
- T.R. Bowen - Tony Bridges (as Trevor Bowen)
- Georgina Cookson - Carlotta Hale
- James Cossins - Mr. Basildon
- Helen Lindsay - Felicity Prosser-Jones
- Carlo Palmucci - Curzio della Romita
- Ernest Walder - Kurt
- Pauline Yates - Estelle Gold
- Richard Bidlake - Rupert Crabtree
- Annette Carell - Billie Castiglione
- Jean Claudio - Raoul Maxim
- Jane Downs - Julie (as Jane Downes)
- Marika Rivera - Paris Party Host
- Lucille Soong - Allie (uncredited)
- Lydia Sherwood - Lady Brentwood (uncredited)
- Ann Firbank - Sybil Martin (uncredited)
- Tyler Butterworth - William Prosser-Jones (uncredited)
- Vernon Dobtcheff - Art Critic at Ralph Riggs Exposure (uncredited)
- John Schlesinger - Theatre Director (uncredited)
- Silvia Dionisio - Prince Cesare della Romita's Daughter (uncredited)
- Victor Harrington - Functionary at Charity Event (uncredited)
- Derek Aylward - Party Guest (uncredited)
- Zakes Mokae - Black Man at French Party (uncredited)
- David Harrison - Charles Glass (uncredited)
- Sidonie Bond - Gillian (uncredited)
- Margaret Gordon - Helen Dawlish (uncredited)
- Angus MacKay - Ivor Dawlish (uncredited)
- Jane Pearl - Jane (uncredited)
- Irene Richmond - Mrs. Glass (uncredited)
- Hugo Dyson - Walter Southgate (uncredited)
- Christopher Greatorex - Art Critic at Ralph Riggs Exposure (uncredited)
- Hyma Beckley - Guest at Art Gallery Viewing (uncredited)
- Nicholas Wright - Young Man in Opening Scene (uncredited)
- John Woodvine - Customs Officer (uncredited)
- Helen Stirling - Governess to Cesare Family (uncredited)
- Ernest Blyth - Man at Airport (uncredited)
- John Tatum - Man at Tube Station (uncredited)
- Roy Lansford - Party Guest (uncredited)
- Noel Davis - Shop Assistant (uncredited)
- Peter Avella - Reporter (uncredited)
- Jimmy Charters - Man on Tube Station Escalator (uncredited)
- Mike Edmonds - Man in Street (uncredited)
- Peter Evans - Man at Charity Raffle (uncredited)
- Eden Fox - Waiter (uncredited)
- Otto Friese - Man in Street (uncredited)
- Sheila Gish - Cameo (uncredited)
- Lew Hooper - Model Agency Staff (uncredited)
- Gerry Judge - Waiter (uncredited)
- Anthony Lang - Man at Airport (uncredited)
- Pat Lewis - Woman at Airport (uncredited)
- Leonard Llewellyn - Model Agency Staff / Airline Passenger (uncredited)
- Ray Lovelock - Undetermined Role (uncredited)
- Jack Mandeville - Tube Passenger (uncredited)
- Mary Maxfield - Lady at Charity Raffle (uncredited)
- Brian Moorehead - Leslie Page (uncredited)
- Bob Raymond - Waiter / Porter (uncredited)
- Arnold Schulkes - Mourner (uncredited)
- Frank Shelley - Father Norton (uncredited)
- Esme Smythe - Art Gallery Guest (uncredited)
- Philip Stewart - Guest at Art Gallery Viewing (uncredited)
- Graham Tonbridge - Art Gallery Guest (uncredited)
- George Oliver - Tube Passenger (uncredited)
- Ian Selby - Model Agency Staff (uncredited)
- Robert Watts
- John Schlesinger
- Frederic Raphael
- Frederic Raphael
- John Schlesinger
- Joseph E. Levine
- Miriam Brickman
- John Dankworth
- John Dankworth
- Peter Handford
Julie Christie hace el papel de Diana Scott.
Dirk Bogarde hace el papel de Robert Gold.
Laurence Harvey hace el papel de Miles Brand.
José Luis de Vilallonga interpreta a Prince Cesare della Romita en la película.
Roland Curram hace el papel de Malcolm.
Basil Henson hace el papel de Alec Prosser-Jones.
Dante Posani interpreta a Gino en la película.
Umberto Raho interpreta a Signor Palucci en la película.
Alex Scott hace el papel de Sean Martin.
Brian Wilde interpreta a Basil Willett en la película.
Peter Bayliss interpreta a Lord Alex Grant en la película.
T.R. Bowen interpreta a Tony Bridges (as Trevor Bowen) en la película.
Georgina Cookson hace el papel de Carlotta Hale.
James Cossins interpreta a Mr. Basildon en la película.
Helen Lindsay interpreta a Felicity Prosser-Jones en la película.
Carlo Palmucci hace el papel de Curzio della Romita.
Ernest Walder interpreta a Kurt en la película.
Pauline Yates interpreta a Estelle Gold en la película.
Richard Bidlake hace el papel de Rupert Crabtree.
Annette Carell interpreta a Billie Castiglione en la película.
Jean Claudio hace el papel de Raoul Maxim.
Jane Downs hace el papel de Julie (as Jane Downes).
Marika Rivera hace el papel de Paris Party Host.
Lucille Soong interpreta a Allie (uncredited) en la película.
Lydia Sherwood interpreta a Lady Brentwood (uncredited) en la película.
Ann Firbank interpreta a Sybil Martin (uncredited) en la película.
Tyler Butterworth hace el papel de William Prosser-Jones (uncredited).
Vernon Dobtcheff interpreta a Art Critic at Ralph Riggs Exposure (uncredited) en la película.
John Schlesinger interpreta a Theatre Director (uncredited) en la película.
Silvia Dionisio hace el papel de Prince Cesare della Romita's Daughter (uncredited).
Victor Harrington interpreta a Functionary at Charity Event (uncredited) en la película.
Derek Aylward interpreta a Party Guest (uncredited) en la película.
Zakes Mokae interpreta a Black Man at French Party (uncredited) en la película.
David Harrison interpreta a Charles Glass (uncredited) en la película.
Sidonie Bond interpreta a Gillian (uncredited) en la película.
Margaret Gordon interpreta a Helen Dawlish (uncredited) en la película.
Angus MacKay interpreta a Ivor Dawlish (uncredited) en la película.
Jane Pearl interpreta a Jane (uncredited) en la película.
Irene Richmond interpreta a Mrs. Glass (uncredited) en la película.
Hugo Dyson interpreta a Walter Southgate (uncredited) en la película.
Christopher Greatorex interpreta a Art Critic at Ralph Riggs Exposure (uncredited) en la película.
Hyma Beckley interpreta a Guest at Art Gallery Viewing (uncredited) en la película.
Nicholas Wright hace el papel de Young Man in Opening Scene (uncredited).
John Woodvine interpreta a Customs Officer (uncredited) en la película.
Helen Stirling interpreta a Governess to Cesare Family (uncredited) en la película.
Ernest Blyth interpreta a Man at Airport (uncredited) en la película.
John Tatum interpreta a Man at Tube Station (uncredited) en la película.
Roy Lansford hace el papel de Party Guest (uncredited).
Noel Davis interpreta a Shop Assistant (uncredited) en la película.
Peter Avella hace el papel de Reporter (uncredited).
Jimmy Charters interpreta a Man on Tube Station Escalator (uncredited) en la película.
Mike Edmonds hace el papel de Man in Street (uncredited).
Peter Evans hace el papel de Man at Charity Raffle (uncredited).
Eden Fox hace el papel de Waiter (uncredited).
Otto Friese hace el papel de Man in Street (uncredited).
Sheila Gish interpreta a Cameo (uncredited) en la película.
Lew Hooper interpreta a Model Agency Staff (uncredited) en la película.
Gerry Judge interpreta a Waiter (uncredited) en la película.
Anthony Lang interpreta a Man at Airport (uncredited) en la película.
Pat Lewis interpreta a Woman at Airport (uncredited) en la película.
Leonard Llewellyn interpreta a Model Agency Staff / Airline Passenger (uncredited) en la película.
Ray Lovelock hace el papel de Undetermined Role (uncredited).
Jack Mandeville interpreta a Tube Passenger (uncredited) en la película.
Mary Maxfield interpreta a Lady at Charity Raffle (uncredited) en la película.
Brian Moorehead interpreta a Leslie Page (uncredited) en la película.
Bob Raymond interpreta a Waiter / Porter (uncredited) en la película.
Arnold Schulkes interpreta a Mourner (uncredited) en la película.
Frank Shelley interpreta a Father Norton (uncredited) en la película.
Esme Smythe interpreta a Art Gallery Guest (uncredited) en la película.
Philip Stewart hace el papel de Guest at Art Gallery Viewing (uncredited).
Graham Tonbridge interpreta a Art Gallery Guest (uncredited) en la película.
George Oliver interpreta a Tube Passenger (uncredited) en la película.
Ian Selby interpreta a Model Agency Staff (uncredited) en la película.
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