The Riddle

Vinnie Jones

Mike Sullivan

Julie Cox

Kate Merrill

Vera Day

Sadie Miller

Magda Rodriguez

Ruth

Derek Jacobi

The Tramp / Charles Dickens

Vanessa Redgrave

Roberta Elliot

Jason Flemyng

Don Roberts CEO

P.H. Moriarty

D.I. Willis / Constable Frederick (as P H Moriarty)

Mel Smith

Professor Cranshaw

Elly Fairman

Veronica Miller

Barbara Edwards

Receptionist

Louise Morrison

Kelly Robinson