Convy also starred in several movies, perhaps most memorably Semi-Tough (1977), in which he played a caricature of Werner Erhard named Friedrich Bismark. Other film credits included A Bucket of Blood (1959), Susan Slade (1961), Philippe de Broca's Les Caprices de Marie (1970), SST: Death FLIGHT (1977), the horror film Jennifer (1978), Hanging by a Thread (1979), Racquet (1979), The Man in the Santa Claus Suit (1979), Hero at Large (1980), The Cannonball Run (1981), and the television movie Help Wanted: Male (1982). Convy tried his hand at directing with the comedy Weekend Warriors (1986). In 1980, Convy produced and directed the Goodspeed Opera House premiere of the musical Zapata, with music and lyrics by Harry Nilsson and Perry Botkin, Jr., and libretto by Allan Katz.