Kill the Fatted Calf and Roast It

Uccidete il vitello grasso e arrostitelo (internationally released as Kill the Fatted Calf and Roast It) is a 1970 Italian giallo film directed by Salvatore Samperi.

Plot
A young man returns home from his father's funeral, after which he begins to think his brother Cesare and his sister Verde are both plotting to murder him.

Cast

 * Marilù Tolo: Verde
 * Jean Sorel: Cesare Merlo
 * Gigi Ballista: Il medico
 * Maurizio Degli Esposti: Enrico Merlo
 * Pier Paolo Capponi: Detective