13 Best Guest Appearances on TV

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Perhaps you know them from elsewhere...

Movies, music or other TV shows.

But these actors made quite an impression with nothing more than a guest role. 

Some of them did it over a several installments while others had just one episode to make their mark.

Either way, we found their performances not only memorable but unforgettable. 

From dramas to comedies to sci-fi...

Check out these 13 guest stars who left their mark on some our favorite current shows on TV.

1. James Marsters and Charisma Carpenter - Supernatural

James Marsters and Charisma Carpenter - Supernatural
James Marsters and Charisma Carpenter appeared on Supernatural as a bickering married couple. They were also powerful witches and were using their magic against each other. Dean and Sam stepped in to stop it but in the end, it was their love that ended the feud. Seeing Buffy the Vampire Slayer alums together is always fun! They didn't interact all that much on Buffy (with Cordeilia going over to Angel) but they did some pretty heavy interacting on Supernatural (if you know what I mean!)

2. Paul Reubens - Gotham

Paul Reubens - Gotham
Who doesn't love Pee-wee Herman? Though not as wacky as his iconic man/boy character, Paul Reubens' stint as Elijah Van Dahl was just the kind of quirky you'd expect Penguin's dad to be. It's just too bad we were only able to enjoy Reubens for two short episodes.

3. Cyndi Lauper - Bones

Cyndi Lauper - Bones
Cyndi Lauper has guest starred on Bones four times as psychic Avalan Harmonia…and isn't that just the perfect name! Lauper's Avalan plays perfectly next to Angela's open mindedness and even better opposite Brennan's strict science driven, evidence based philosophy. A psychic certainly wouldn't fit in regularly at the Jeffersonian but whenever Lauper pops in for a visit we know it’s going to be fun.

4. Megan Fox - New Girl

Megan Fox - New Girl
First, she was actually very funny. Second, she allowed the show to focus on the men of the loft instead of Jess, which is where the real humor lies. Third, she looked like Megan Fox!

5. Samuel L. Jackson - Marvel’s Agents of S.H.I.E.L.D.

Samuel L. Jackson - Marvel’s Agents of S.H.I.E.L.D.
S.H.I.E.L.D. had just fallen when Hydra's activated members took the organization down from within. Ward had just revealed he was Hydra and dropped FitzSimmons into the ocean. Everything was falling apart and all hope was lost until Nick Fury, the then director of the crumbling organization showed up to pull them out of the water. Let's face it, Samuel L. Jackson as Nick Fury will always be our hero.

6. Oliver Platt - The Good Wife

Oliver Platt - The Good Wife
Oliver Platt joined The Good Wife for three episodes and they were awesome. Watching conservative billionaire Reese Dimple debate abortion and gay rights with liberal Diane Lockhart made for truly compelling TV. The discussion was as intelligent as it was riveting and Platt and Baranski’s performances were at the top of their game. Our only disappointment was that we didn't get to see more of R.D. before the series end.

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