Red Dwarf

"Dave Lister, the only human survivor, who was suspended in stasis for 3 million years; played by Craig Charles"

"Arnold Rimmer, a hologram of Lister's former superior; played by Chris Barrie"

"The Cat, the last known member of a race of humanoids evolved from Lister's cat; played by Danny John-Jules"

"Kryten, a mechanoid originally from the Nova 5 whom Lister rebuilt; played by David Ross in the Series II episode, Kryten, and by Robert Llewellyn beginning from the Series III episode Backwards onward"

"Holly, the supercomputer onboard Red Dwarf; played by Norman Lovett from Series I-II and VII onward and Hattie Hayridge from Series III-V"

"Kristine Kochanski, a version of Lister's former girlfriend from a parallel universe; played by Chloë Annett"

"Craig Charles - Dave Lister (Series I - Present)"

"Danny John-Jules - The Cat (Series I - Present)"

"Chris Barrie - Arnold Rimmer (Series I - Present)"

"Robert Llewellyn - Kryten (Series III - Present)"

"Norman Lovett - Holly (Series I - II, VII - VIII, XII - The Promised Land)"

"Hattie Hayridge - Holly (Series III - V)"

"Clare Grogan - Kristine Kochanski (Series I, II, VI) Chloë Annett - Kristine Kochanski (Series VII - VIII, Back to Earth)"

"Mac McDonald - Captain Frank Hollister (Series I - II, VIII, XII)"