Anthony Andrews

as Tony Browne

Deborah Raffin

as Iris Murdoch

Pamela Bellwood

as Ruth Lessing

Nancy Marchand

as Lucilla Drake

Josef Sommer

as George Barton

David Huffman

as Stephan Farraday

Christine Belford

as Rosemary Barton

June Chadwick

as Sandra Farraday

Barrie Ingham

as Eric Kidderminster

Harry Morgan

as Captain Kemp

Anne Rogers

as Viola Kidderminster

Michael Woods

as Victor Drake

Shera Danese

as Christine Shannon

Ismael 'East' Carlo

as Medical Examiner

Linda Hoy

as Boat Manager