Strictly for the Birds. (1964 film).

Terry Blessing creates a gambling system involving continual use of a ready reckoner.

Tony Tanner as Terry Blessing
Joan Sims as Peggy Blessing
Graham Stark as Hartley
Jeanne Moody as Claire
Alan Baulch as Alfie
Toni Palmer as Bridget
Valerie Walsh as Maxine
Carol Cleveland as Sandra
Bernard Goldman as Mendoza
Murray Kash as Mario
Christine Hargreaves as Linda
Eddie Leslie as Traffic Warden
Eric Dodson as George
Clement Freud as croupier