

He was also meant to star in a Western, Silver City, with Betty Grable, but it was not made. He was meant to play the eldest son in Three Sons (1939) with Edward Ellis, but he was withdrawn and replaced by William Gargan. It was popular and the Los Angeles Times said Holt "does unusually well in this", although the New York Times thought he "seems a trifle young to be running a great corporation". He was then cast as the romantic lead for the studio's biggest star, Ginger Rogers, in 5th Avenue Girl (1939). It was popular, and RKO put him in The Girl and the Gambler opposite Leo Carrillo.

RKO gave Holt his first lead in the B-film The Rookie Cop. RKO signed Holt to a seven-year contract in December 1938. At Universal he appeared in a story of his old alma mater, Culver Military Academy, The Spirit of Culver. Wanger then used Holt in the role of young Lieutenant Blanchard in the 1939 classic Stagecoach. (It was later filmed as Foreign Correspondent.) He lent Holt to Paramount to play the juvenile lead in Sons of the Legion then RKO asked for him again in The Law West of Tombstone, supporting Harry Carey. Wanger wanted to star Holt opposite Henry Fonda and Louise Platt in an adaptation of Vincent Sheean's Personal History however after the problems Wanger had making Blockade he decided to postpone the project. RKO borrowed him for a western The Renegade Ranger (1938) supporting George O'Brien, then a leading star of B-westerns. In the latter the Los Angeles Times said Holt "confirms the favourable impression he gave" in Stella Dallas. Let's have one good actor in the family." Wanger then cast him in I Met My Love Again (1938) and used him for a Technicolor Western, Gold is Where You Find It. When told he was given the role his father Jack said, "Fine. Instead he made his debut as Anne Shirley's suitor in Stella Dallas (1937) for Sam Goldwyn – the same role that another film star's son, Douglas Fairbanks Jr., had played in the 1925 version. Wanger was going to use him in Blockade, but that film was postponed. Holt was signed to a contract by Walter Wanger in January 1937. His sister, Jennifer Holt, also appeared in B-westerns, notably opposite Johnny Mack Brown at Universal. He’d say, ‘I’m going to be a western star some day’." Immediately after graduation he went to work in the Hollywood film business. He’d walk up and down the hall in his bathrobe and practice drawing his guns.

One of his classmates was Budd Boetticher who recalled Holt "used to walk around in our suite of rooms there…and he often had on his. Holt was educated at Culver Military Academy in Culver, Indiana, graduating in 1936. He was the inspiration for his father's book, Lance and His First Horse. During his early years, he accompanied his father on location, even appearing in an early silent film. Holt was born Charles John Holt III on February 5, 1919, in Beverly Hills, California, the son of actor Jack Holt and Margaret Woods. Siemens Energy employs around 92,000 people worldwide in more than 90 countries and generated revenue of €29 billion in fiscal year 2022.Tim Holt and his father, actor Jack Holt (1921) An estimated one-sixth of the electricity generated worldwide is based on technologies from Siemens Energy. A majority stake in the listed company Siemens Gamesa Renewable Energy (SGRE) makes Siemens Energy a global market leader for renewable energies. More than 50 percent of the portfolio has already been decarbonized. The portfolio includes conventional and renewable energy technology, such as gas and steam turbines, hybrid power plants operated with hydrogen, and power generators and transformers. With its portfolio of products, solutions and services, Siemens Energy covers almost the entire energy value chain – from power generation and transmission to storage. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world. Siemens Energy is one of the world’s leading energy technology companies.
