- as Roberta 'Bobbie' W. Draper
- as James Holden
- as Alex Kamal
- as Sadavir Errinwright
- as Naomi Nagata
- as Col. Frederick Lucius Johnson
- as Amos Burton
- as Praxideke 'Prax' Meng
- as Cotyar
- as Jules-Pierre Mao
- as Admiral Nguyen
- as Dr. Strickland
- as Reverend Doctor Anna Volovodov
- as Sec-Gen Gillis
- as Lt. Lipson
- as Medical Tech
- as Ensign Larson
- as Monster
- as Chrisjen Avasarala
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