| 1987 | Los Angeles Police - Mord auf dem Freeway | Technical Officer | ★ 5.0 |
| 1981 | Tot und begraben | Townsperson (uncredited) | ★ 6.4 |
| 1980 | Der letzte Countdown | Durrell (as William Couch) | ★ 6.6 |
| 1979 | Meteor | Communications Center Technician | ★ 5.1 |
| 1976 | Flucht ins 23. Jahrhundert | Sandman | ★ 6.6 |
| 1975 | At Long Last Love | Tarzan | ★ 5.2 |
| 1971 | Dirty Harry | Suicide Jumper (uncredited) | ★ 7.4 |
| 1968 | Bullen - wie lange wollt ihr leben? | Physical Instructor (uncredited) | ★ 6.7 |
| 1968 | Der Frauenmörder von Boston | Police Officer (uncredited) | ★ 6.7 |
| 1967 | Der Pirat des Königs | Member of Zucco's Troop (as William J. Couch) | ★ 5.8 |
| 1966 | Leise flüstern die Pistolen | Armed Man (uncredited) | ★ 6.0 |
| 1963 | Eine kitzlige Sache | Clyde (uncredited) | ★ 5.7 |
| 1960 | Im Visier | Hoffman's Thug | ★ 5.0 |
| 1960 | Die gnadenlosen Killer | Guard | ★ 5.9 |
| 1957 | Das nackte Gesicht | Boy (uncredited) | ★ 5.8 |
| 1956 | In 80 Tagen um die Welt | Extra (uncredited) | ★ 6.7 |
