Originally Posted by aico

Harrison Ford, Carrie Fischer, Sir Alec Guinness (granted he was already a great actor before Star Wars), James Earl Jones.

Carrie Fisher:
Lisa Picard is Famous (2001)
Austin Powers: International Man of Mystery (1997)
This Is My Life (1992)
Soapdish (1991)
Drop Dead Fred (1991)
Sibling Rivalry (1990)
Sweet Revenge (1990)
When Harry Met Sally (1989)
The 'Burbs (1989)
Loverboy (1989)
Time Guardian (1989)
Appointment with Death (1988)
She's Back (1988)
Amazon Women on the Moon (1987)
Hollywood Vice Squad (1986)
Hannah and Her Sisters (1986)
From Here to Maternity (1986)
The Man with One Red Shoe (1985)
Garbo Talks (1984)
Frankenstein (1984)
Thumbelina (1982)
Under the Rainbow (1981)
The Blues Borthers (1980)
Mr. Mike's Mondo Video (1979)

I would consider that as being a working or "successful" actor.