S04E06: The Cost of Doing Business

Morland offers to act as one of his son’s “Irregular” consultants so that he can lend Sherlock and Joan his considerable resources to help them solve a case.

Season 4

Jonny Lee Miller
Jonny Lee Miller
Sherlock Holmes
Lucy Liu
Lucy Liu
Joan Watson
Jon Michael Hill
Jon Michael Hill
Marcus Bell
Aidan Quinn
Aidan Quinn
Thomas Gregson