Investigator Ally Clark embarks on a perilous inquiry from the towering skyscrapers of New York City to the sweltering bayous of Louisiana and the icy peaks of Alaska into an international conglomerate following the suspicious death of a close friend.
| Actor | Role |
|---|---|
 Viola DavisAlly Clark | Ally Clark |
 Jason ClarkeMilton Cobb | Milton Cobb |
 Benjamin BrattNot listed | Not listed |
 Jay HuguleyNot listed | Not listed |
 Sydney LemmonNot listed | Not listed |
| BBenjamin BeattyNot listed | Not listed |
 Jefferson WhiteNot listed | Not listed |
 Chris SullivanNot listed | Not listed |
 Lily SantiagoNot listed | Not listed |
 Peter MaconNot listed | Not listed |
 Alice HalseyNot listed | Not listed |
 Ricky BartlettNot listed | Not listed |