Teacher Alec Waterman is released from jail after a sentence for fraud. Dick Sothers gets him a job with Lucas Builders but when Alec starts to make new friends he becomes trapped between his old life and his new life.
| Actor | Role |
|---|---|
 Ronald LewisAlec Waterman | Alec Waterman |
 William LucasEd Laurie | Ed Laurie |
 Denis QuilleyDick Sothers | Dick Sothers |
| PPetra DaviesGrace | Grace |
 Betty McDowallBee | Bee |
| VVictor PlattHarry Bentall | Harry Bentall |
 Howard GoorneyMorgan | Morgan |
 Douglas BlackwellFrank Hobson | Frank Hobson |
 Eric FlynnKen Gray | Ken Gray |
| MMarcus HammondTea Boy | Tea Boy |
 Jan HoldenJoan Laurie | Joan Laurie |