Plummer was Copley’s female assistant in his experiments. She interviewed the potential clinical trial subjects and also took part in the treatments. She was obviously well aware of what Copley was doing, and how unethical it was, but was fully compliant in the proceedings.

Jacqui Boatswain is a dancer as well as an actor.

Torchwood

Reset (2008) (as Jacqueline Boatswain) .... Plummer

Before Torchwood

"Mistresses" .... Jenny (1 episode, 2008)
"Life on Mars" .... Officer 1 (1 episode, 2007)
"Casualty" .... Karen Blythe / ... (4 episodes, 2002-2005)
"Grange Hill" .... Mrs. Bassinger (21 episodes, 2003-2005)
"Doctors" .... Custody Sergeant / ... (4 episodes, 2001-2004)
"A Bit of Fry and Laurie" (1 episode, 1990)
Goldeneye (1989) (TV) (as Jacqui Botswain) .... Dancer in gambling club
"Red Dwarf" .... Dancer (1 episode, 1988)
"Streets Ahead" (1984) TV series .... Dancer