 From this episode, Bob Marx (I) (qv) substituted for  Jeff Nimoy (qv) after he left the show. Michelle Ruff (qv) was  the substitute for Tifanie Christun (qv) due to Christun was not  there at the time of the recording. Wendee Lee (qv) (the  substitute for Colleen OShaughnessey (qv)) said only one  line..."You hear what happened?" Both Ruff and Marx are credited  under stages names, Brigette Hoffman and R. Martin Klein (episode  2.43 "Invasion of the Daemon Corps")