Season 7, Episode 23 Riddle at 24,000 Feet

First Aired: March 14, 1974

A medic aids Ironside's investigation of a disguised murder. Ironside: Raymond Burr. Domingo: Desi Arnaz. Sue: Linda Foster. Laura: Patricia Smith. Wescott: Ralph Meeker. Cardiff: L.Q. Jones. Denny: Michael Richardson. Mark: Don Mitchell.