Starting with a role in an Italian television movie in 1973, he appeared in such diverse films as Escape from Alcatraz, Southern Comfort, The Right Stuff, Timerider: The Adventure of Lyle Swann, Remo Williams: The Adventure Begins, Tremors and Tremors 2: Aftershocks, Henry & June, The Player, Swing Shift, Short Cuts, and 30 Minutes or Less.

He then starred as astronaut Gus Grissom in The Right Stuff, in the action movie Uncommon Valor with Gene Hackman, and in the drama Silkwood (all 1983).

After co-starring roles in Swing Shift (1984) and Secret Admirer (1985), Ward played the title hero in the action movie Remo Williams: The Adventure Begins, which was directed by Guy Hamilton.

[9] Ward played in a few low-budget productions until he returned to major cinema in 1988 as a cop in Off Limits, as Roone Dimmick in Big Business, and the father of Keanu Reeves' character in The Prince of Pennsylvania.

Lovecraft in the 1991 HBO film Cast a Deadly Spell alongside Julianne Moore,[10] Ward co-starred in the thriller Thunderheart, the Hollywood satire The Player, the mystery-drama Equinox and the TV western-comedy Four Eyes and Six Guns, for which he won a Cable ACE Award.

Ward's leading roles include Lt. Brann in the two-character-thriller Two Small Bodies, fisherman Stuart Kane in the Robert Altman film Short Cuts (for which the whole ensemble won a Golden Globe; both 1993), a dangerous criminal in the comedy Naked Gun 33+1⁄3: The Final Insult (1994), the sailor in the French-avant-garde-drama The Blue Villa (1995), his reprised role in Tremors II: Aftershocks and the special agent in Chain Reaction (both 1996).

He also appeared as Sheriff Bud Phillips in Best Men, as Dave Reimüller in ...First Do No Harm with Meryl Streep (both 1997) and as Domenico Venier in Dangerous Beauty (1998).

He also co-starred in Joe Dirt, Summer Catch, Wild Iris, the mini-TV-series Dice and the comedic Corky Romano.

He was next in the ensemble drama Feast of Love, the thriller Exit Speed, Management with Jennifer Aniston, The Wild Stallion DVD and as the boss Ashcroft in Armored.