A British Steam Launch captained by Lt Commander Henry Wells

Second in command, Bosun William Blunt

Crewed by:

Engineer Jack Burns, a man in his 30s with ambitions to open his own business on leaving the service.  Killed by Martian pirates. 

Helmsman Arnold Turner, a steady man in his 50s, morose but dependable, keen to see retirement

Gunner Fred Timmins, thin, a "likely lad", one that wants watching

Crewman Fred Tompkins, a yound and impressionable lad, easily led by...

Crewman Bert Lovely, an old hand, workshy and rather crooked, but dependable under a firm hand