When an astronaut in a Mars simulation is killed, Castle and Beckett don spacesuits and enter the simulation to investigate. Much to their surprise, it seems no one inside and no one outside could have committed the murder.
Episode rating
Cast of episode
78
13
5
1
1
1
- Richard Castle
- Kate Beckett
- Martha Rodgers
- Javier Esposito
- Alexis Castle
- Kevin Ryan
- Captain Victoria Gates
- Lanie Parish
- Viggo Jansen
- Ed Redley
- Angela Olvera
- Dr. Rusham Haroun
- Elise Kim
- Mikhail Dankov
- Clint Granger
- Sir Ian Rasher
- George Reyes
- Tom Richwood
- Tech
- Guard
- Audience