This is mostly a compilation of existing lists from the net and 
the archive (with a couple of films and actors added), hence the 
difference in order (alphabetic vs numeric).

A lot of the information comes from Leonard Maltin's Movie and Video
Guide.

HARRISON FORD:

Dead Heat on a Merry-go-Round         (1966)
Luv                                   (1967)
A Time for Killing/The Long Ride Home (1967)
Journey to Shiloh                     (1968)
Getting Straight                      (1970)
American Grafitti                     (1973)
The Conversation                      (1974)
Star Wars                             (1977)
Heroes                                (1977)
The Possessed                         (1977)
Force 10 From Navarone                (1978)
Hanover St.                           (1979)
Apocolypse Now                        (1979)
More American Grafitti                (1979)
Frisco Kid                            (1979)
The Empire Strikes Back               (1980)
Raiders of the Lost Ark               (1981)
Blade Runner                          (1982)
Return of the Jedi                    (1983)
Indiana Jones and the Temple of Doom  (1984)
Witness                               (1985)
Mosquito Coast                        (1986)
Frantic                               (1988)
Working Girl                          (1988)
Indiana Jones and the Last Crusade    (1989)
Presumed Innocent                     (1990)
Regarding Henry                       (1991)
Patriot Games                         (1992)
The Fugitive                          (1993)

CARRIE FISHER:

Amazon Women on the Moon              (1987)
Appointment with Death                (1988)
Blues Brothers, The                   (1980)
'Burbs, The                           (1989)
Drop Dead Fred                        (1991)
Empire Strikes Back, SW: The          (1980)
Faerie Tale Theatre-- Thumbelina      (1983)
Fankenstein                           (1984)
From Here to Maternity                (date N/A)
Garbo Talks                           (1984)
Hollywood Vice Squad                  (1986)
Loverboy                              (1989)
Man with One Red Shoe, The            (1985)
Mr. Mike's Mondo Video                (1979)
Paul Reiser-- Out on a Whim           (1988)
Postcards From the Edge		        (1990, screenplay only)
Return of the Jedi, SW:               (1983)
Shampoo                               (1975)
She's Back                            (1989)
Sibling Rivalry                       (1990)
Soapdish                              (1991)
Star Wars: A New Hope                 (1977)
Sweet Revenge                         (1990)
This is My Life			        (1992)
Time Guardian, The                    (1989)
Under the Rainbow                     (1981)
When Harry Met Sally. . .             (1989)

MARK HAMILL:

Big Red One, The                      (1980)
Black Magic Woman                     (1991)
Britannia Hospital		        (1982)
City, The			              (1977)
Corvette Summer			        (1978)
Earth Angel			              (1991)
Emprie Strikes Back, SW: The          (1980)
Eric                                  (1976)
>From "Star Wars" to "Jedi--          (date N/A)
   The Making of a Saga
Night the Lights Went Out             (1981)
   in Georgia, The
Return of the Jedi, SW: The           (1983)
Sarah T. - Portrait of a
   Teenage Alcoholic		        (1975)
Sleepwalkers			        (1992)
Slipstream                            (1989)
Star Wars: A New Hope                 (1977)
Wizards                               (1977)
The Guyver                            (1991?)
Time Runner                           (1993?)
Batman: Mask of the Phantasm          (1993; voice only)

SIR ALEC GUINNESS:

Great Ecpectations		        (1946)
Oliver Twist			        (1948)
Kind Hearts and Coronets	        (1949)
A Run for Your Money		        (1949)
Last Holiday			        (1950)
The Mudlark			              (1950)
The Lavender Hill Mob		        (1951)
The Man in the White Suit	        (1951)
The Promoter			        (1952)
The Captain's Paradise		        (1953)
The Malta Story			        (1953)
The Detective			        (1954)
To Paris With Love		        (1955)
The Prisoner			        (1955)
The Ladykillers			        (1955)
Tha Swan			              (1956)
All at Sea			              (1957)
The Bridge on the River Kwai	        (1957)
The Horse's Mouth		              (1958)
The Scapegoat			        (1959)
Our Man in Havana		              (1960)
Tunes of Glory			        (1960)
A Majority of One		              (1962)
Damn the Defiant!		              (1962)
Lawrence of Arabia		        (1962)
Tha Fall of the Ronan Empire	        (1964)
Situation Hopeless - But Not
   Serious			              (1965)
Doctor Zhivago			        (1965)
Hotel Paradiso			        (1966)
The Quiller Memorandum		        (1966)
The Comedians			        (1967)
Cromwell			              (1970)
Scrooge				        (1970)
Brother Sun, Sister Moon	        (1973)
Hitler: The Last Ten Days	        (1973)
Murder by Death			        (1976)
Star Wars			              (1977)
The Empire Strikes Back		        (1980)
Raise the Titanic!		        (1980)
Little Lord Faunleroy		        (1980)
Lovesick			              (1983)
Return of the Jedi		        (1983)
A Passage to India		        (1984)
Little Dorrit			        (1988)
A Handful of Dust		              (1988)
Kafka				              (1991)