Each of the unclued lights, (four of two words), individually or as a pair can be linked with an unclued name suggested by the title, all verifiable in Brewer.

Across

4 Wide support for the chair, one seen on TV? (11)
13 Surgeon’s probe appears cool after operation (11)
15 Cut some of the wood (3)
18 Crude line art on its wall, maybe (7)
19 Leo, say, alternatively a married lady (7)
23 Daughter actress Jane, who travels with Santa (6)
24...