He also tried his hand in the action genre with Tobruk (1967), directed by Arthur Hiller. After the comedy A Fine Pair (1968) with Claudia Cardinale, he starred in the action thriller Ice Station Zebra (1968) at MGM, a role which remained his personal favorite. The film was a hit but struggled to recoup its large cost.
He also tried his hand in the action genre with Tobruk (1967), directed by Arthur Hiller. After the comedy A Fine Pair (1968) with Claudia Cardinale, he starred in the action thriller Ice Station Zebra (1968) at MGM, a role which remained his personal favorite. The film was a hit but struggled to recoup its large cost.