The following credits are for eps 1, 2, and 5 only
| Jeremy Wilkin | Drew Heriot |
| Rosemary Nicols | Anne Heriot |
| Theme Music by | Paul Lewis (Role not credited on eps 1) |
| Designed by | Philip Harrison (eps 1), Stan Woodward (eps 2, 5) |
| Series Evolved and Edited by | Robert Banks Stewart[1] |
| Producer | Michael Chapman |
| ABC Production | |
| Notes | |
| [1] Role credited as "Series Evolved by" on eps 1 | |
| 1: Instance One |
Transmitted: 8 May 1965
Written by Robert Banks Stewart Cast: Frank Heriot (Jeremy Kemp), Inspector (Frank Mills), Paget (Hugh Latimer), Hugh Bishop (Tony Steedman), Edith Bishop (Moya O'Sullivan), Dr. Polson (Paul Maxwell), Landlord (Ernest Hare), Newscaster (John Edmunds), Secretary (Jill Cary), Receptionist (Georgine Anderson), Executive (Peter Willson Holmes), Clerk (Helen Ford), Macridos (David Swift) |
| 2: Flowers of Havoc |
Transmitted: 15 May 1965
Written by Robert Banks Stewart Cast: Rev. A.G. Anderson (Michael Gough), Prof. Val Randolph (Denis Quilley), Wilma Strickland (Pauline Jameson), Charles Ogilvie (Glynn Edwards), Dave (Gil Sutherland), Phil (James Hunter), Ted (Barry Evans), Howard (Michael Graham Cox), Mrs Brewer (Mairhi Russell), Workman (Bill Treacher), The Blonde (Majorie Keys), Verger (Edwin Finn), Gutarist (Michael Barker) |
| 3: The New Dimension |
| Transmitted: 22 May 1965 |
| 4: Death in England |
| Transmitted: 29 May 1965 |
| 5: Too Many Enemies |
Transmitted: 5 June 1965
Written by Robert Banks Stewart Cast: Val Randolph (Denis Quilley), Alice (Margaret Whiting), Gill (Aubrey Richards), Hepworth (Tenniel Evans), Dr Burath (Lesley Nunnerley), Tubby Chalmers (David King), Nurse (Rosalyn Hooker), Computer Assistant (Gene Garvey) |
| 6: Intent to Destroy |
| Transmitted: 12 June 1965 |
| 7: Song of Death |
| Transmitted: 19 June 1965 |
| 8: Puppets of Evil |
| Transmitted: 26 June 1965 |
| 9: Test for the Future |
| Transmitted: 3 July 1965 |
| 10: Waves of Sound |
| Transmitted: 10 July 1965 |
| 11: End Signal |
| Transmitted: 17 July 1965 |
| Episode List compiled by Richard Spurr Posted: 9 July 2001 | |