Some consider the work of this Conan O' Brien sidekick worthy of a true second banana
He played Michael Knight's evil look-alike enemy Garthe on "Knight Rider"
Name shared by Phoebe's twin (also played by Lisa Kudrow) & George of the Jungle's wife, possibly a twin
(Hi, I'm Tia & Tamara Mowry.) Patty Duke played identical cousins on "The Patty Duke Show" & Sheryl Lee did it on this appropriately named series
On this NBC soap, Eileen Davidson as Kristen got look-alike Susan to have a baby for her
These former "Full House" twins have their own line of home video mystery adventures
He was playing Opie on TV when he played Eddie in the 1963 film "The Courtship Of Eddie's Father"
Laurie Metcalf, who played Jackie on this sitcom, appeared as the landlady in "Leaving Las Vegas"
This creator of "Jeopardy!" appeared in the 1954 3-D horror film "Phantom Of The Rue Morgue"
We hope his "Friends' co-stars rushed out to see him in 1997's "Fools Rush In"