Elenco principal da temporada 4

1. 

   Luke Roberts

   Eric Beaumont

2. 

   Brandon Jay McLaren

   Oliver Yates

3. 

   Nazneen Contractor

   Zara Hallam

4. 

   Sarah Greene

   Maxine Carlson

Convidados Especiais 10

1. 

   Jenessa Grant

   Evie

2. 

   Athena Karkanis

   Angie Rose

3. 

   Joris Jarsky

   Zachary Smith

4. 

   Daniel Kash

   Teddy Grimes

5. 

   Neil Napier

   Bill Winks

6. 

   Claire Rankin

   Commander Nina Sellars

7. 

   Sherry Miller

   Elizabeth Bloom

8. 

   Al Sapienza

   Deputy Commissioner Patrick Fletcher

9. Drew Carnwath

   Donald Winston

10. 

    Emma de Caunes

    Nathalie Denard

Equipa técnica 5