<Li> Norm Macdonald as the voice of Yaphit, an amorphous, gelatinous Engineering crew member of the Orville, who in his first few appearances, repeatedly attempts to obtain a date with Dr. Finn, and frequently flirts with other females on the ship . </Li> <Li> Larry Joe Campbell as Steve Newton, Chief Engineer of the Orville . </Li> <Li> Rachael MacFarlane as the voice of the Orville computer . </Li> <Ul> <Li> Victor Garber as Admiral Halsey, Mercer's superior and an old friend of Grayson's father . He first appears in the series premiere . </Li> <Li> Brian George as Dr. Aronov, the leader of the Epsilon II science station in the series premiere </Li> <Li> Ron Canada as Admiral Tucker in Episodes 2 and 7 </Li> <Li> Jeffrey Tambor as Captain Mercer's father, Ben in Episode 2 </Li> <Li> Holland Taylor as Captain Mercer's mother, Jeannie in Episode 2 </Li> <Li> Jonathan Adams as the Moclan Arbitrator in Episode 3 </Li> <Li> Rena Owen as Heveena in Episode 3 </Li> <Li> Robert Knepper as Hamelac in Episode 4 </Li> <Li> Liam Neeson as Jahavus Dorahl, Captain of the derelict Bio Ship in Episode 4 </Li> <Li> Charlize Theron as Pria Lavesque, who appears in Episode 5 </Li> <Li> Kelly Hu as Admiral Ozawa, who appears in Episode 6 </Li> <Li> Michaela McManus as Teleya, a Krill teacher serving on Krill destroyer Yakar, in Episode 6 </Li> </Ul>

Who does the robot voice on the orville