Shaw had a small part in the musical
London Town (1946) and a larger one in another musical,
Walking on Air (1946). She also had small roles in
The Upturned Glass (1947) and
Jassy (1947), and was then in
Holiday Camp (1947), which introduced the Huggett family, although at this stage she wasn't a family member. Her most noticeable role to date came in
It Always Rains on Sunday (1947) for
Ealing Studios, after which she had another support part in ''
My Brother's Keeper (1948) for Gainsborough Pictures, then replaced Patricia Roc when Roc pulled out of London Belongs to Me'' (1948). Shaw's first lead came in
To the Public Danger (1948), a short feature directed by
Terence Fisher. She had a role in one of the segments of
Quartet (1948) and, when
Sydney Box decided to make a film series out of the Huggett family with
Jack Warner in the lead, Shaw was cast as Susan Huggett. There were three films in the series:
Here Come the Huggetts (1948),
Vote for Huggett (1948) and
The Huggetts Abroad (1949). Also at this time, she was the female lead in the comedies ''
It's Not Cricket (1949) and Marry Me (1949), and one of many actresses in Train of Events'' (1949). Shaw was by now one of the busiest young actresses in Britain. She played support in some thrillers –
Waterfront (1950),
The Woman in Question (1950) – before returning to leads in
Pool of London (1951), with her future husband
Bonar Colleano. In April 1951, she was listed as one of Britain's most popular actresses in a poll of 2,000
Daily Mail readers. Shaw began to appear on television in ''
One Man's Family (1951) and in a BBC version of The Amazing Dr. Clitterhouse (1951). She was the female lead in some B movies, too: There Is Another Sun (1951), Wide Boy (1952), A Killer Walks (1952), The Large Rope (1953), and Small Town Story (1953). She supported in some A films, such as The Intruder (1953), The Good Die Young (1954) and Time is My Enemy
(1954), and played leads in Stolen Time (1955); Stock Car (1955), Fire Maidens from Outer Space (1956), Davy (1958), The Diplomatic Corpse (1958) and Chain of Events (1958), as well as in the TV play You Can't Have Everything
(1958). She also appeared in Carry on Nurse (1959) and The Big Day (1960), and in episodes of All Aboard
(1959), Suspense
(1960), Richard the Lionheart
(1962) and No Hiding Place'' (1962). Her theatre credits included the title role in
Peter Pan (1951), appearing with Bonar Colleano in a stage version of
The Blue Lamp (1952), starring in
The MacRoary Whirl, which ran in the West End for only three nights (1953), and touring as Mrs de Winter in a stage adaptation of
Rebecca (1961). Her last films were
Stranglehold (1963) and
The Switch (1963). ==Critical assessment==