Ned Ellison (played by Robert Ayres) is a protagonist in Delayed Action.
Anne Curlew (played by June Thorburn) appears in Delayed Action.
Mark Cruden (played by Alan Wheatley) appears in Delayed Action.
Honey (played by Michael Balfour) appears in Delayed Action.
Sellars (played by Bruce Seton) appears in Delayed Action.
Insp. Crane (played by Ballard Berkeley) appears in Delayed Action.
Worsley (played by John Horsley) appears in Delayed Action.
Dr. Jepson (played by Ian Fleming) appears in Delayed Action.