Leonard Preston

as Laurence

as Senior House Officer (1 episode), as Casualty Officer (1 episode)

as Major Edward Garnett (1 episode)

as Mr. Graves (1 episode)

as Mark Woodburn (1 episode)

as Peter Lester, Writer

as Geoff

as Roger Waring (13 episodes)

as Noah Claypole (13 episodes)

as Roger

as Leading Seaman Barnett (1 episode)

as Billy Weaver

as Billy Weaver (1 episode), as Leighton (1 episode)

as Titinius

as Joseph Walden (1 episode)

as Peter Lester (1 episode), Writer