| Benny Hill |
Hugo Dill |
| Belinda Lee |
Frankie Mayne |
| David Kossoff |
Zacco |
| Garry Marsh |
Inspector Hancock |
| George Margo |
Barakov |
| Ernest Thesiger |
Sir Walter |
| Denis Shaw |
Professor Otto Stumpf |
| Frederick Schiller |
Gruber |
| Thorley Walters |
Raymond Courtney |
| Philip Stainton |
Jimmy Maddox, Frankie's Agent |
| Warwick Ashton |
P.C. Roberts |
| Stratford Johns |
P.C. Coleman |
| Nicholas Phipps |
Scientist |
| Gibb McLaughlin |
Scientist |
| Ernest Jay |
Scientist |
| Harold Scott |
Scientist |
| Norah Blaney |
Flora Carlton, the Actress |
| Charles Hawtrey |
Disc Jockey |
| Peter Bull |
Scientist |
| Harold Goodwin |
Pringle, the Magazine Representative |
| Ronnie Brody |
Gun Shop Assistant |
| Irene Handl |
Prospective Chair Customer |
| Arthur Lowe |
Tank Operator |
| Terence Alexander |
Stage Manager |
| Ewen Solon |
Police Radio Announcer |
| Guy Longpre |
Singer |
| George Wilson |
One Man Band |
| Kim Kimber |
Ice Show Performer |
| Jean Alsop |
Ice Show Performer |
| Elinor Bennett |
Ice Show Performer |
| Glyn Houston |
Police Constable |
| Jeremy Hawk |
Self |
| Doris Yorke |
Actor |
| Robert McDermott |
Actor |