Robert Viharo (gebore 14 Augustus 1942) is 'n Amerikaanse akteur en skrywer. Hy is bekend vir sy rolle in die rolprente Valley of the Dolls (1967), I Never Promised You a Rose Garden (1977), en Marbles (2005), en in die televisiereeks American Playhouse (1981). 1967: Valley of the Dolls 1968: Stuntman 1975: Return to Macon County 1977: I Never Promised You a Rose Garden 1977: Bare Knuckles 1980: Happy Birthday, Gemini 1980: Hide in Plain Sight 1986: The Night Stalker 2000: Stroke 2002: Noise 2003: Attitude 2005: Marbles 2007: Used 2007: Go Together 2008: Presque Isle 2013: What Mad Pursuit? 1981: American Playhouse Robert Viharo in die Internet-rolprentdatabasis