Suggestions by @aleksimalkavaara

Jonathan Frakes

as Best TNG Cast Member in Best & Worst of Star Trek

Patrick Stewart

as Best TNG Cast Member in Best & Worst of Star Trek

Walter Koenig

as Best TOS Cast Member in Best & Worst of Star Trek

George Takei

as Best TOS Cast Member in Best & Worst of Star Trek

Nichelle Nichols

as Best TOS Cast Member in Best & Worst of Star Trek

James Doohan

as Best TOS Cast Member in Best & Worst of Star Trek

DeForest Kelley

as Best TOS Cast Member in Best & Worst of Star Trek

William Shatner

as Best TOS Cast Member in Best & Worst of Star Trek

Leonard Nimoy

as Best TOS Cast Member in Best & Worst of Star Trek

Tony Todd

as Best Guest Star in Best & Worst of Star Trek

John Rhys-Davies

as Best Guest Star in Best & Worst of Star Trek

Matt Frewer

as Best Guest Star in Best & Worst of Star Trek

Billy Campbell

as Worst Guest Star in Best & Worst of Star Trek

Dean Stockwell

as Best Guest Star in Best & Worst of Star Trek

Mick Fleetwood

as Worst Guest Star in Best & Worst of Star Trek

Teri Garr

as Worst Guest Star in Best & Worst of Star Trek

Kelsey Grammer

as Best Guest Star in Best & Worst of Star Trek

Stephen Hawking

as Best Guest Star in Best & Worst of Star Trek

Iggy Pop

as Best Guest Star in Best & Worst of Star Trek

William Windom

as Best Guest Star in Best & Worst of Star Trek