Over the course of one eventful evening, the anniversary celebration of the musical and romantic partners Aurelius Rex and Delia Lane, a jealous, ambitious drummer, Johnny Cousin, attempts to tear the interracial couple apart.

• The Rank Organisation
• Patrick McGoohan
• Keith Michell
• Betsy Blair
• Paul Harris
• Marti Stevens
• Richard Attenborough
• Bernard Braden
• Harry Towb