Kate and Gibbs in “The Meat Puzzle”

Kate

Gibbs, what did Ducky look like when he was younger?

Gibbs

[grinning] Ilya Kuryakin.

[N.B. When he was younger, David McCallum (Ducky) played the role of Soviet secret agent Ilya Kuryakin in the TV series The Man from U.N.C.L.E.]