Alex Preston plays a hard-boiled detective investigating a case where the bad guy, played by Laurence Brown, crosses multiple characters' paths. The document provides casting information for two roles in a project called "Paths That Cross", with Alex Preston cast as the lead detective character and Laurence Brown cast as "the bad guy".

1. Characters
Paths That Cross

2. Actor: Alex Preston
Hard-boiled detective

3. The bad guy
Actor: Laurence Brown