Jeroen Krabbé
— Boris Arkadin / Mr. Maezel
Lisa Enos
— Mary Arkardin / Wendy Jones
Teri Harrison
— Pamela / Angie
Alastair Mackenzie
— Justin / Andy / Freddy / Peter
Lyndsey Marshal
— Sandy / X / Janice
Hugo Myatt
— Dr. Culpepper / Leon Bank / Desk Sergeant
Tedy Necula
— Marco Arkadin (as Teodor Necula)
Joe Reegan
— James / Jack
Sharif Rosales-Webb
— Hugo / Matt Drazin (as Sharif)
Andrei Ionescu
— Inquisitor
Nick Broomfield
— Nick Broomfield, interviewer