Philip Mark Goldberg, better known by his stage nameFlip Mark, is an American former child actor. He was primarily active in the 1960s. Mark's first role was at the age of ten as "Flip Rhinelander" in the 1959 filmThe Journey, starring Yul Brynner and Deborah Kerr. That same year, he appeared as Robbie Adams in "Another Day Another Dollar" of the NBCanthology seriesAlcoa Theatre. In 1960, he played 11-year-old George MacKay in the Doris Day and David Nivenfilm, Please Don't Eat the Daisies. In the 1959-1960, television season, Mark appeared five times with Jon Provost as play-mate "Flip Rogers" on the CBS series, Lassie in episodes entitled "The Whopper", "Alias Jack and Joe", "Champ", "The Alligator", and "The Wallaby". In 1960, Mark appeared as "Junior" in the episode "My Brother, the Hero" of the NBC sitcom, The Tab Hunter Show.. In 1961, Mark appeared as "Dennis" in the episode "A Friend to Man" of the syndicated television series The Brothers Brannagan. He also appeared as "Tommy" in the January 22, 1961, episode "Jack at Supermarket" of CBS's The Jack Benny Program. Mark was also cast as Brook Hooten on Guestward Ho!. Thereafter, he appeared in guest shots in four CBS series, Have Gun - Will Travel, The Andy Griffith Show, General Electric Theater, and My Favorite Martian. In the 1962-1963 season, he had a regular role as Larry Walker in CBS's Fair Exchange. In 1964, Mark appeared as 15-year-old Kenny Hallop in the episode "Taps for a Dead War" of ABC's drama The Fugitive. The same year, he appeared as Kenny Benjamin in the episode "The Special One" of the ABC science fiction series The Outer Limits. From 1964-1969, Mark guest starred in several sitcoms, The Lucy Show in the episode "Lucy and the Missing Stamp" and Mister Ed on CBS, The Patty Duke Show on ABC, and The Mothers-in-Law on NBC. He then appeared as Fitzgibbons in the 1966 episode "The State v. Chip Douglas" of CBS's My Three Sons. From 1965-1966, Mark appeared as the first Steven Olson in the NBC soap opera, Days of Our Lives. In 1968, he guest starred as Jerry Frye in "The Good Thieves" of ABC's The Big Valley. Mark's final screen roles were on CBS's as a delivery man and in the episode "The Bullet" of ABC's The Streets of San Francisco.