The cast of a British soap opera are attacked by a mad fan who confuses them with their TV roles.
| Actor | Role |
|---|---|
 Robert PowellRook | Rook |
 Jennie LindenSister Mary | Sister Mary |
 George MaharisMark Fields | Mark Fields |
 Anthony NewlandsTony Barton | Tony Barton |
 Derek FowldsDicky | Dicky |
 Leigh LawsonLarry Turner | Larry Turner |
 Windsor DaviesDetective Moore | Detective Moore |
 Norman MitchellSecurity Man | Security Man |
 Maggie RennieHousekeeper | Housekeeper |
| JJoan HaythorneMother Superior | Mother Superior |
| GGerry CowanT.V. Director | T.V. Director |
| JJill ShakespeareOperator | Operator |