Viggo Mortensen (Aragorn)

Walk on the Moon, A (1999)
Psycho (1998) UK
Perfect Murder, A (1998) UK
Thin Red Line, The (1998) UK
Prophecy, The (1995)
American Yakuza (1994)
Ruby Cairo (1993)
Two Small Bodies (1993)
Young Guns II (1990)
Witness (1985)

Liv Tyler (Arwen)

Plunkett & Macleane (1999) UK
Cookie’s Fortune (1999) UK
Can’t Hardly Wait (1998) UK
Inventing the Abbotts (1997)
Stealing Beauty (1996)
Empire Records (1995)

Ian Holm (Bilbo)

Joe Gould’s Secret (2000)
eXistenZ (1999)
Frankenstein (1994)
Blue Ice (1992) UK
Kafka (1991) UK
Hamlet (1990) UK
Dance with a Stranger (1985)
Greystoke: The Legend of Tarzan, Lord of the Apes (1984) UK
Alien (1979) UK
Mary, Queen of Scots (1971)
Nicholas and Alexandra (1971)
Fixer, The (1968) UK

Martyn Sanderson (Bree Gatekeeper)

Ned Kelly (1970)

Hugo Weaving (Elrond)

Matrix, The (1999) UK
Strange Planet (1999)
Bedrooms and Hallways (1998)
Exile (1994) UK
Adventures of Priscilla, Queen of the Desert, The (1994) UK
For Love Alone (1986)

Miranda Otto (Eowyn)

Jack Bull, The (1999) (TV)
Thin Red Line, The (1998)
Love Serenade (1996)

Ian Mune (Farmer Maggot)

Once Were Warriors (1994)

Elijah Wood (Frodo)

Faculty, The (1998) UK
Good Son, The (1993)
Forever Young (1992) UK
Avalon (1990)
Child in the Night (1990) (TV)
Internal Affairs (1990)

Cate Blanchett (Galadriel)

Talented Mr. Ripley, The (1999)
Pushing Tin (1999) UK
Ideal Husband, An (1999) UK

Ian McKellen (Gandalf)

X-Men (2000)
Gods and Monsters (1998) UK
Apt Pupil (1998) UK
Rasputin (1996) (TV)
Restoration (1995) UK
And the Band Played On (1993) (TV)
Six Degrees of Separation (1993)
Ballad of Little Jo, The (1993) UK
Plenty (1985) UK

John Rhys-Davies (Gimli)

Secret of the Andes (1998) UK
Cyborg Cop (1994)
Sunset Grill (1993)
Seventh Coin, The (1992)
Canvas (1992)
Indiana Jones and the Last Crusade (1989)
Perry Mason: The Case of the Murdered Madam (1987) (TV)
Firewalker (1986)
King Solomon’s Mines (1985)

Andy Serkis (Gollum)

Topsy-Turvy (1999)
Among Giants (1998) UK

Bruce Spence (Mouth of Sauron)

Mad Max Beyond Thunderdome (1985)
Mad Max 2: The Road Warrior (1981)

Sean Astin (Sam)

Icebreaker (1999)
Kimberly (1999)
Bulworth (1998) UK
Dish Dogs (1998)
Harrison Bergeron (1995) (TV)
Low Life, The (1994/I)
Encino Man (1992) UK
Toy Soldiers (1991) UK
Memphis Belle (1990)
Staying Together (1989)
War of the Roses, The (1989)
Goonies, The (1985)

Christopher Lee (Saruman)

Sleepy Hollow (1999)
Jinnah (1998) UK
Death Train (1993) (TV) UK
Gremlins 2: The New Batch (1990)
Last Unicorn, The (1982)
Safari 3000 (1982)
1941 (1979) UK
Return from Witch Mountain (1978) UK
Four Musketeers, The (1974) UK
Creeping Flesh, The (1973)
Three Musketeers, The (1973) UK
Horror Express (1972)
Death Line (1972) UK
Theatre of Death (1967) UK
Gorgon, The (1964) UK
Longest Day, The (1962)
City of the Dead, The (1960)
Hound of the Baskervilles, The (1959) UK
Tempi duri per i vampiri (1959)
Cockleshell Heroes, The (1955)

Bernard Hill (Theoden)

Loss of Sexual Innocence, The (1999) UK
True Crime (1999) UK
Midsummer Night’s Dream, A (1999) UK
Mountains of the Moon (1990)
Shirley Valentine (1989) UK
Bounty, The (1984)
Gandhi (1982)

Brad Dourif (Wormtongue)

Shadow Hours (2000)
Storytellers, The (1999) UK
Nightwatch (1998)
Bride of Chucky (1998) UK
Urban Legend (1998)
Step Toward Tomorrow, A (1996)
Murder in the First (1995)
Death Machine (1995)
Color of Night (1994)
Body Parts (1991) UK
Cerro Torre: Schrei aus Stein (1991)
Jungle Fever (1991) UK
Exorcist III, The (1990)
Hidden Agenda (1990)
Mississippi Burning (1988)

Jim Rygiel (SFX)

Anna and the King (1999) UK
Star Trek: Insurrection (1998) UK
Species (1995)
Cliffhanger (1993) UK
Last of the Mohicans, The (1992)
Batman Returns (1992)
Alien³ (1992) UK
Ghost (1990)
2010 (1984) UK

Howard Shore (Composer)

Yards, The (2000)
Cell, The (2000)
High Fidelity (2000)
Analyze This (1999) UK
eXistenZ (1999)
Dogma (1999) UK
Cop Land (1997) UK
Striptease (1996)
Se7en (1995)
Ed Wood (1994)
M. Butterfly (1993)
Sliver (1993) UK
Prelude to a Kiss (1992) UK
Single White Female (1992) UK
Silence of the Lambs, The (1991)
She-Devil (1989)
Big (1988)
Moving (1988)
Fly, The (1986) UK
After Hours (1985) UK
Places in the Heart (1984) UK

To get more information, use the sites I use like:

mydigiguide.com, tv-now.com and IMDB.com