Dortmunder and his pals plan to steal a huge diamond from a museum. But this turns out to be only the first time they have to steal it...
Robert Redford
John Dortmunder
George Segal
Andrew Kelp
Ron Leibman
Stanley Murch
Paul Sand
Alan Greenburg
Moses Gunn
Dr. Amusa
William Redfield
Lt. Hoover
Topo Swope
"Sis" Clara Kelp
Charlotte Rae
Ma Murch
