David Humphrey Rivers Ker is a British actor, writer, comedian and football executive, who is a member of the sketch comedy troupe The Penny Dreadfuls.

The Penny Dreadfuls are a British sketch comedy troupe consisting of comedians Humphrey Ker, David Reed and Thom Tuck, often supported by Margaret Cabourn-Smith. The troupe are best known for writing and performing The Brothers Faversham and The Penny Dreadfuls Present..., comic plays on BBC Radio 4.