Algy Beresford (played by Reginald Purdell) is a protagonist in Quiet, Please.
Margery Meadows (played by Lesley Brook) appears in Quiet, Please.
Holloway (played by Julien Mitchell) appears in Quiet, Please.
Dr. Faversham (played by Bruce Lester) appears in Quiet, Please.
Bill (played by Wally Patch) appears in Quiet, Please.
Woods (played by Ian McLean) appears in Quiet, Please.
Dr. Craven (played by Ian Fleming) appears in Quiet, Please.
Lady Winterley (played by Winifred Izard) appears in Quiet, Please.