Matthew Modine
— Steve
John Cleese
— Dr. Auyeung
Derek Jacobi
— Errol
Stuart Townsend
— Philip
Fiona Glascott
— Mary
Morgana Robinson
— Dr. Ehm
Jason London
— Chet
Catriona Loughlin
— Shannon
Dermot Murphy
— Radio
Cat Hostick
— Rose
Maria McDermottroe
— Ethel
Nigel Mercier
— Dr. Gerrick