In a very approximate chronological order:

The Goons 1952 - 60
Michael Bentine (initially) - Army
Spike Millgan
Peter Sellers
Harry Seacombe

Beyond the Fringe 1960
Peter Cook
Dudley Moore
Jonathon Miller
Alan Bennett

I'm Sorry I'll Read That Again1965 - 70, 1973
John Cleese
David Hatch
Tim Brooke-Taylor
Graeme Garden
Jo Kendall
Bill Oddie

Twice A Fortnight1967
Bill Oddie
Graeme Garden
Jonathon Lynn

At Last the 1948 Show1967 -68
Amy McDonald
Graham Chapman
John Cleese
Tim Broke-Taylor
Marty Feldman

Do Not Adjust Your Set1968 - 69
Denise Coffey
David Jason
Terry Jones
Eric Idle
The Bonzo Dog Doo-Dah Band

Monty Pythons Flying Circus1969 - 74
John Cleese - (except final series)
Graham Chapman
Terry Jones
Michael Palin
Eric Idle
Terry Gilliam
Neil Innes - (final series)

The Goodies1970 - 77
Tim Brooke-Taylor
Graeme Garden
Bill Oddie

About 90% of them came to entertainment via The Cambridge Footlights.

Not Forgetting: The Frost Report, TW3 etc, Not Only But Also etc, Rutland Weekend Television, Ripping arns, Fawlty Towers.

AndyG