Some of her other appearances include roles in The Gentle Touch, Maria Marten, Gulliver in Lilliput, Treatment, Meantime, You'll Never See Me Again, Will You Love Me Tomorrow, Strong Poison, Victoria Wood: As Seen on TV and Minder, throughout the Eighties.
In the Nineties, she appeared in Poirot, Inspector Morse, A Touch of Frost, five episodes of The Men's Room as Delia, and as Betty Mason in The Darling Buds of May Christmas Special in 1991; and in the 1994 film Shopping.
One role that propelled her towards stardom was as 'Tilly' in the partially-improvised comedy film There's No Business... with Raw Sex (Simon Brint and Rowland Rivron) and The Oblivion Boys.
Vosburgh also began appearing in films from 2000 onwards, starting with Paranoid and The Suicidal Dog in 2000, Silent Cry and Dr Jekyll and Mr Hyde in 2002, Vera Drake in 2004, Atonement and Boy A in 2007, as well as The Awakening and Turnout, both released in 2011.
Vosburgh is also a radio actor, and has appeared in a BBC Radio 4 Play of the day Bringing Eddie Home by John Peacock, based on a true story of the fight by East End couple Edna and Jack Wallace to get their son's body brought home from Aden, and the ensuing fight for the rights of British service personnel.