Egghead creates a robot double of his sister.
Keith Chegwin
Egghead Wentworth
Julie Collins
Elspeth Wentworth
Tracey Collins
Samantha
Richard Wattis
Mr. Wentworth
Robert Dorning
The Mayor
Johnny Vyvyan
Cyril
Honor Shepherd
Grretchen Boyle
Larry Martyn
Bert
Josephine Tewson
Mrs. Wentworth
