Harold Thomas Gregson, known professionally as John Gregson, was an English actor of stage, television and film, with 40 credited film roles. He was best known for his crime drama and comedy roles.

Whisky Galore! is a 1949 British comedy film produced by Ealing Studios, starring Basil Radford, Bruce Seton, Joan Greenwood and Gordon Jackson. It was the directorial debut of Alexander Mackendrick;