LaRue also made an uncredited appearance in the movie The Andromeda Strain, which was directed by Robert Wise and photographed by Richard H. Kline. It also featured fellow TOS guest actors Kermit Murdock, Garry Walberg, Michael Pataki and Walker Edmiston. He filmed his scene for "Patterns of Force" on Thursday 30 November 1967 at Desilu Stage 9.