Life is a Circus
(1960, Bud Flanagan, Chesney Allen, Shirley Eaton)
Some good footage of one of the caravans in the circus, former Yorkshire Traction 417 (HE6330), a 1934 Leyland Lion LT5A/Roe:
In the background of one scene we see an all-Leyland Royal Tiger and a Bedford SB/Duple:
