Joss Ambler was an Australian-born British film and television actor. He usually played somewhat pompous and irascible figures of authority, particularly in comedy films. He was an effective foil to George Formby in both Trouble Brewing and Come On George!, and similarly to Will Hay in The Black Sheep of Whitehall,.

The Black Sheep of Whitehall is a 1942 British black-and-white comedy war film, directed by Will Hay and Basil Dearden, starring Will Hay, John Mills, Basil Sydney and Thora Hird in her screen debut. It was produced by Michael Balcon and Ealing Studios.