From 2005 to 2011, Marshall appeared in TV and print adverts for the BT Retail as the character "Adam".
retail | National Retail Federation | Retail Council of Canada | Retail banking | Dixons Retail | Apple Store (retail) | retail banking | Retail | Loop Retail Historic District | Home Retail Group | European Retail Round Table | British Retail Consortium | Valley Park Retail Area | Retail Banking | Morphological retail analysis | Mercator (retail) | Lifestyle center (retail) | lifestyle center (retail) | Christchurch's retail district | BT Retail |