Jim
Vic Reeves
Bob
Bob Mortimer
Short Alien
Colin Burgess
Seepage Seller
Ina Clough
Boiled Onion Seller
Harry Betty
Receptionist
Louise Yates
Policeman 1
John Thomson
Policeman 2
Mike Wattan
Queen Alien
Kate Layden
Slow PC (as Tommy Cockles)
Simon Day
Slow Burglar
Brendan O'Sullivan
Jim's Father
Wilfred Harrison
Electric Russell
Russell Dennett
Spencer Pedal
Paul Whitehouse
Specialist Meat Seller
Phil Oakey
Alien leader
David Boyce
Tall Alien
Richard Ashton
Director
Sandy Johnson
Writer
Producer
Mark Robson
Executive Producer
David Liddiment