Sheridan played the character of Trillian in the original series of "The Hitch-hiker's Guide To The Galaxy" on Radio 4, but the character was dropped from the series following her departure.
(1978) Radio Serie: " The Hitchhiker's Guide to the Galaxy" by'Douglas Adams (I)'.BBC Radio 4. as Trillian.
(2004-5) Radio Serie: Played Trillian on "The Hitchhiker's Guide to the Galaxy Tertiary to Quintessential Phases by Douglas Adams on.BBC Radio 4. Dirk Maggs served as the program's producer .
