Here are the two final clues:
https://www.youtube.com/watch?v=iBBJZDCk6tY
https://www.youtube.com/watch?v=qbjr_gIRyKI
Now - can you put it all together?
No?
So........the answer:
Graham, Man - Kerr - Bill Kerr
George, Woman - Melly - Andree Melly
Shirley, Man - Williams - Kenneth Williams
Sheila, Man - Hancock - Tony Hancock
People who were in Hancock's Half Hour.