From WENN.com

The actor, who died in November (12), will be one of the celebrities featured in I Get That A Lot, in which stars masquerade as ordinary people and act like they're not famous when they're recognised.

Hagman filmed his segment in September (12), and appears as a salesman offering free samples of barbecue sauce, according to TV Guide.

The special, which will air in the spring (13), will also feature Jane Seymour and comedian Cheech Marin.