William Sumper
Keine Biografie verfügbar.
Mitgewirkt in (Filme)
More Than Friends 1978
Rolle: Monk Waiter
Win, Place or Steal 1975
Rolle: Stoops
Do Not Fold, Spindle, or Mutilate 1971
Rolle: Man in Handcuff
Josie's Castle 1971
Rolle: Used Car Salesman