Christian Greenway
— Joe
Noel Ross
— Terry
Harriet Cleave
— Lucy
Mikolas Dembek
— Office Scientist
Yuan Jun Gu
— Office Scientist
Derek Carey Vernon
— Basement Scientist
Terri Langley
— Stairwell Rager / Wrong Floor Rager
Lee Tabberer
— Stairwell Rager
Sarah Presdee
— Stairwell Rager
Rick Rowe-Davies
— Stairwell Rager
Joshua Cleave
— Janitor
Daniel Henderson
— Wrong Floor Rager
Anthony Savell
— Wrong Floor Rager
Jayne Brayley
— Wrong Floor Rager
Sarah Davies
— Wrong Floor Rager