Characters played by Susan Penhaligon
Ann Halpern
Characters played by Bruce Robinson
Peter Morrissey
Characters played by Michael Feast
Stephen
Characters played by Robert Brown
Mr. Halpern
Characters played by George Fenton
Henry
Characters played by Kathleen Byron
Mrs. Halpern
Characters played by Patricia Cutts
Erica Talbot
Characters played by Trevor Adams
Alex Marvel
Characters played by Susan Brodrick
Sylvia Halpern (as Susan Broderick)
Characters played by Paul Harper
Clarke
Characters played by Catherine Howe
Iverna
Characters played by Pamela Moiseiwitsch
Secretary
Characters played by Julia Wright
Nurse