Sound an Alarm (1971) — Cast
Cast
| Guy Standeven | Courtroom Observer |
| Michael Smee | Chief |
| Michael McStay | Transportation Liaison |
| Valerie Van Ost | Nurse |
| Ian Patterson | Doctor |
| John Graham | Chief |
| Richard Butler | Roc |
| Jill Cary | Courtroom Observer |
| John Welsh | Sector Director |
| Edward Underdown | Detention Duty |
| Brian Forster | Chief |
| Tony Thawnton | Chief |
| Larry Martyn | Courtroom Observer |
Crew
| Edward Dorian | Production Manager |
| W. J. Carney | Technical Advisor |
| Alf Hicks | Cinematography |
| Cyril Randell | Producer |
| Anthony Short | Director |
| Laurie Clarkson | Sound |
| Anthony Short | Writer |
| Gordon Hales | Editor |