Me too ! All the time (perhaps not all the time but at least once every couple of years). Even to the extent that when I was applying for a mortgage the Portuguese/French lady interrupted herself to tell me I looked exactly like her cousin.
Mr. Clean or maybe a serial killer. Hard to say.
You could always cover both bases by dressing as Caesar and Cleo.
As for myself, I was called “Gilligan” at college by some people who thought I resembled Bob Denver as the clean-shaven first mate of the S.S. Minnow. A few years later, I had a beard, and a co-worker started calling me “Beatnik” because I reminded him of another Denver character, Maynard G. Krebs.
More recently, however, my girth and added facial hair have led me to be declared the spittin’ image of chef Paul Prudhomme. I’d provide a picture of myself, but the only known online photo in which I appear is in the “pay to access” archives of the local paper…
More Picard than Mr. Clean. But maybe that’s just the pose in that picture.
When I was younger, people told me I looked like Sly Stallone. Nowadays, DeNiro occasionally. I also used to be told I looked like David Schwimmer (the dorky one on Friends). The funniest one ever: a bunch of girls at a truck stop in rural PA were convinced I was Richard Sturban, the bass singer for the Oak Ridge Boys.
Speaking of Steve Martin, I once had a boss (call him Dick Smith) who, though several inches shorter, bore an astounding resemblance to Martin. He once sent Martin a video of himself, asking, “Mr. Martin, has anyone ever told you you looked like Dick Smith?”
In my younger, thinner days I was twice told that I looked like Mariel Hemingway. The second time I was walking to the train after working all night, tired and somewhat scrungey. I doubt Ms Hemingway would have been pleased.
My older daughter sometimes gets told she looks like Brooke Shields. I think for both of us it’s largely the pronounced dark eyebrows, plus in her case the blonde hair. Not to mention the 6’ tall.
In that case, you both look like Dom DeLuise.
You do indeed resemble them both. And just like them, you are totally hot!
What on earth are you doing in front of those barrells?
Not like anybody famous, but I used to be mistaken a lot for someone who worked in the same several-years project; she was in Accounting, I was Quality. When we ran into each other in a hallway we didn’t need to introduce ourselves, we really could pass for Irish twins if not full ones. Same coloring, build, almost-same age, ridiculously similar medical histories even!
Some guys who are known to have been nuts about me when we were in our teens have married women with the same general look. For several years I kept having to explain to people that no, I was not “finally” dating So-and-so, his gf just happened to look like me. One of those women knows that her husband has a soft spot for me (not that I have the slightest idea why); someone once told her, in a purr, “you know, this is Nava… I don’t know if Yourhusband has mentioned her?” and she laughed and said “the first time he said her name being half-asleep, actually… so long as he knows who he’s with when awake, I don’t see why I should mind!” FTR the only times I’ve seen that guy half-asleep was during parish retreats, we were vertical and surrounded by priests and other teens.
To quote from the current “Doppelganger” thread:
The only person I’ve been said to resemble that I’ve seen a picture of is former Boston Globe editoriakl cartoonist Paul Szep. He has a slightly more Leno-iash chin, but otherwise, I can see the resemblance – same beetling brow, same nose, same hairline. Somebody once cut out one of those “Dewar’s Profile” ads that featured Szep, tore off the identifying name, and taped the thing to my office door in grad school. People came up to me and asked how I got a whiskey ad done about me. (I don’t even drink scotch or whiskey)
Not a great shot, but the only one I could find quickly:
I have been told that I look like Jack Nocholson, Gary Burghoff (“Radar” from MASH), Bob Newhart, Kelsey Grammer, and Tim Conway – not at the same time, but in separate incidents!
Haley Joel Osment.
and I’m a GIRL.
I guess that could work.
An old friend sent me a link saying “This girl looks just like you.” I agreed, she definitely did. It was a bit creepy since she was a porn-girl (not quite star status), and that friend had a thing for me. Yuck. There’s a naked “me” on the internet.
Audrey Hepburn
Daniel Day Lewis especially as in The Unbearable Lightness of Being. William Baldwin too.
i am constantly (like at least once every week or two) mistaken for orlando bloom
i guess i do kinda resemble him, but i have blue eyes & red hair… though that can be kinda hard to see if the light is low, especially in a bar or the like.
anyway, i am not orlando bloom. i am not “in town filming something” and i will not sign an autograph. well, i will sign an autograph if i’m recognized as myself (i have had credited roles in a couple movies and an uncredited role in a documentary, but i’m not listed in the imdb… yet.)
The only two people I’ve been told I look like are George W. Bush (blech! And I don’t see it at ALL, though that was just one guy who thinks that,) and a few people told me I look like Liev Schreiber (he played Cotton in the Scream movies, and that CIA agent that goes to Russia with Jack Ryan in “The Sum of All Fears.”)
These two photos are the only ones I seem to have online at the moment that don’t involve me giving a goofy face, or have some facial hair (which would muddy up the comparison,) or both.
Hmm. I’ve never been told that I look like a particular celebrity, however I do get a lot of “Omigod, you look just like my friend/cousin/acquaintance/dog/whatever! You could be twins!” Which is somewhat unsettling, to say the least.
So, for the purpose of this thread, I ran my face through the celeb face recognition over at MyHeritage and the results were… surprising.
Apparently, I resemble
Viggo Mortensen (76%)
Sarah Michelle Gellar (71%)
Rachael Leigh Cook (70%)
Courteney Cox (70%)
Jang Nara (68%)
Keith Urban (67%)
Utada Hikaru (67%)
Gisele Bundchen (64%)
Shingo Katori (64%)
and Holly Hunter (63%)
Now, perhaps I’m crazy, but I don’t think I look like any of the aforementioned celebrities at all. Not even in the slightest.
WTF. 
And I wonder why I got so many females and asians. I guess it’s 'coz I’m fat. Though that doesn’t explain Viggo. Hmm.