In the 1970s and 1980s Cullen wrote a series of plays for television.
The Caledonian Cascade, produced by
Granada Television in 1977, featured
Rikki Fulton,
Richard Wilson,
Annie Ross and
Iain Cuthbertson. Cullen's
STV drama
Two Per Cent won the Pharic McLaren award. Her play
Off Peak starred well-known actors
David Robb,
Phyllis Logan,
Annette Crosbie and
Isla Blair. The play was nominated for a Prix Italia and won the silver medal at the 1984 New York TV Festival. Another STV drama,
Northern Lights, was set during an
Edinburgh Festival starring
Judy Parfitt and
Rik Mayall, and was shortlisted for an
Emmy. Isla Blair also starred in the STV legal drama series,
The Advocates, based in Edinburgh, and she is quoted as saying "[Cullen] is the only writer on television whose dialogues I have never wanted to change. That is very rare." In the late 1980s and 1990s, Cullen collaborated with author
Colin Dexter on four episodes of
Inspector Morse, sharing the
Writers' Guild award for best original drama in both 1991 and 1992. In 1996, she wrote the script for an episode of
A Touch of Frost, starring
David Jason, who later went to win best actor award in 2000 for his role in Cullen's TV film
''All the King's Men''. == References ==