1.Harrison Ford in 1967:

2.Dolly Parton in 1971:

3.Helen Mirren in 1970:

4.Oprah Winfrey at 24 (couldn't find one of her at 25) in 1978:

5.Rita Moreno in early 1957:

6.Cher in 1971:

7.Sheryl Lee Ralph in 1982:

8.Hugh Grant in early 1986:

9.Denzel Washington in 1980:

10.Jane Fonda in 1963:

11.Jeff Goldblum in 1978:

12.Diana Ross in 1969:

13.Robert Redford in 1962:

14.Maggie Smith in 1960:

15.Kim Cattrall in early 1982:

16.Jack Nicholson in 1962:

17.Goldie Hawn in early 1971:

18.Sharon Stone in early 1984:

19.Elliott Gould in 1964:

20.Joanna Lumley in 1971:

21.Colin Firth in early 1986:

22.Stanley Tucci in 1985:

23.Candice Bergen in 1971:

24.Tom Hanks in 1981:

25.Anjelica Huston in 1976:

26.Joan Collins in 1958:

27.Brad Pitt in 1989:

28.Emma Thompson in 1984:

29.George Clooney in 1986:

30.And lastly, okay, I couldn't find a photo of the legendary James Earl Jones at 25, so I found one of him in his 20s: