Cast for Firefly/Genesys

(Images from This Person Does Not Exist except as credited)

Regular Cast

Agatha Chen Bartlett, captain fallen on hard times (played by Mike C, image of Sui He)
"Smokey" MacNiece, professional pilot (played by Dave D, image of Richard Widmark)
Merv Baker, inquisitive mechanic (played by Peter E, image of Gabby Hayes)
Dan Minsky, pragmatic medic (played by John H, image of Heath Ledger)

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"Pilot"

Mostly Honest Stan, merchant factor
Richard Henslow, nervous courier
Patience, Mayor of Whitefall (played by Bonnie Bartlett)