Sorry, but I really hated her performance in Hitchhikers Guide. Watching her in Tin Man didn’t raise my estimation of her at all either.
I’ll give you cute and perhaps she’s from a talented family (I admit to knowing nothing about her family) but I have yet to see anything in the way of good acting chops from her.
Agreed- why is it that her husband is the only director who recognizes her amazing acting ability 
I thought he deserved an Oscar for The Doors; in the performance scenes, he’s actually singing Door’s songs!
And I thought he was hilarious in that comedy spy movie, Top Secret.
Val Kilmer MADE Tombstone.
I’ll be your huckleberry!
Oh if we’re going there:
Bo Derek (Tarzan the Ape Man, anyone?).
Also: Pia Zadora
Thirded on the Rebecca Pidgeon bandwagon.
Christopher Lambert. His every performance is an enormous, steaming, mound of suck.
Kate Bosworth. Between her and that Christopher Reeves lookalike, the last Superman movie is best described as two cardboard cutouts trying to act their way out of a paper bag.
Yawn. I spent the entire movie rooting for the villains. Even though they clearly were in it just for the paycheque, at least Kevin Spacey and Parker Posey were watchable.
And Real Genius. And Spartan. And Top Secret. And The Doors. And Kiss Kiss Bang Bang (along with Robert Downey Jr.)
Action movie stars could fill half this thread.
Chuck Norris; It’s no coincidence that one of Conan O’Brien’s funniest bits is The Walker, Texas Ranger Lever
Steven Seagall; No matter how many kimonos he wears, I just don’t buy him as a martial arts baddass. When I have to watch his movies, I even think the character he’s playing would be better off delivering pizzas.
And of course, let’s give it up for Jean Claude Van Dam: Acting philosophy: There isn’t a scene written that won’t be improved by performing a split. I’m Belgian and I’m flexible!
I love watching Orlando Bloom act. He really is the next Keanu Reeves. Orlando’s great talent is showing exactly what is going on in his - the actor’s mind - as he acts.
“The director said I should look confused…then sad…” All written across his face.
It IS a pretty face.
Sofia Coppola in the Godfather III. If Wynonna Ryder had played Coppola’s part (as had originally been planned) , the third film for this trilogy would likely have been an okay film; not brilliant like the first two, but not Return of the Jedi bad either. But Sofia brings every single scene she appears in to a screeching, awkward, catastrophic halt.
I thought she was in there for comic relief.
And I’ll be Robot Arm’s second.
I don’t think Conan the Destroyer had a single real actor in it:
Arnie, 'nuff said (tho since he’s expanded his range a bit).
Wilt the Stilt, former hoops great
Grace Slick
One of the D’Abo sisters (forget which), neither of which could act and both of whom dropped out of movie acting the instant they stopped being cute
That Chinese guy
The comic-relief thief guy
Not a single acting gene to be found between them.
Are you sure you’re not confused with Red Sonja? 
Drew Barrymore.
She seems like a genuinely nice person from interviews, she’s good looking in a quirky way (that I appreciate myself) and she has long had a lovely figure and whatnot…but she cannot act. It is to the point where I refuse to see movies that she’s in.
That’s like sooooooooo magiCAL!
I don’t get what movie you’re referring to.
You’re all missing the obviousnessity of the true intent of the OP to place Melanie Griffith in everyone’s subconscious mind. Remember the old game of morphing one word into another in so many steps? Well, it works like magic here:
Lindsey Lohan===>Mindsey Mohan===>fucking no talent hag===>Melanie Griffith
See? And her mother was Tippi Hedren, so we know where all the talent came from.
The Jefferson Airplane singer was in a Conan movie? Or did you mean Grace Jones.