0:35 - "She Cried Murder" is a 1973 movie that was filmed in Toronto, Canada. The scene in this promo was filmed on the east-west platforms of Yonge-Bloor station, in the Toronto subway system. The female star is Lynda Day George. Canadian actors, including Kate Reid and Murray Westgate, played supporting roles.
Nick Hancock and Tony Caunter in the Royal Mail/Data Post advert. Big Ron (Ronald Tarr), Daniel Peacock and David Jason doing the voiceover for the Do It All advert (don't know the third actor, sorry). Just to name a few.