• Michael Bauer is the eldest son of Bill and Bert Bauer, born March 31, 1952 and first seen without lines on August 5, 1953. Glenn's brother
Christopher Walken filled in temporarily when Glenn was sick. • Billy Bauer is the second son of Bill and Bert Bauer, born on December 30, 1954. • The family was built around Paul Fletcher, his adoptive father John, mother Marian, biological father Fred, half-sister Jane and his wife Anne and her parents Henry and Helene. Jane, Henry and Helene would return to the show after their initial departures. • Family was built around Mark Holden who married Kathy Roberts and adopted her daughter Robin. When Kathy died he re-married to Ruth Jannings who had a son Karl from a previous marriage. Mark's sister Alice also lived with him for a short time.
Other characters • Dr. Bruce Banning (Unknown, July 1, 1952 to July 9, 1952;
Lester "Les" Damon, November 26, 1957 to end of decade) • Gloria La Rue Harper (
Anne Burr McDermott, July 4, 1952 to November 2, 1953) • Sid Harper (Philip Sterling, July 4, 1952 to June 3, 1954) • Alice Graham (July 8, 1952 to March 4, 1953) Kathy's roommate. • Bob Lang (William Redfield, July 25, 1952 to September 12, 1952) Kathy's first husband, father of Robin, killed in car accident. • John 'Mac" McIntyre (Arnold Peterson, September 25, 1952 to August 25, 1953; Charles Bang, March 8, 1955 to January 25, 1956) • Reverend Dr. Paul Keeler (
Melville Ruick January 12, 1953 to June 25, 1954) • Richard Hanley (
Mandel Kramer, January 26, 1953 to September 21, 1954) • Dr. Baird (Peter Capell, February 10, 1953 - August 8, 1955) • Peggy Regan (
Patricia Wheel, February 13, 1953 to March 28, 1955) • Janet Johnson (
Ruth Warrick, May 14, 1953 to October 8, 1954;
Lois Wheeler, October 29, 1954 to August 12, 1955, then June 11, 1957 to July 23, 1958 then May 26, 1959 to September 25, 1959) • Helen Allen (Muriel Kirkland, September 9, 1953 to July 23, 1954; Margaret Draper, April 7, 1955 to January 25, 1957 and June 29, 1959 to September 28, 1959) Bob Lang's mother • Elsie Miller Franklin (Margaret Burlan, August 18, 1953 to October 23, 1953;
Ethel Remey June 17, 1955 to July 31, 1957) Bert and Alma-Jean's mother. • Carl Miller (September 23, 1953 to October 16, 1953) Bert and Alma-Jean's father. Died in 1955. • Dr. Jim Kelly (Paul Potter, November 30, 1953 to May 31, 1957) • Dan Peters (
Paul Ballantyne, December 1, 1953 – July 15, 1954) • Dr. Bart Thompson (Barry Thomson, September 3, 1954 to August 12, 1955) •
Dr. John Brooks (Charles Baxter, December 22, 1954 to June 27, 1955) • Mrs. Maggie Laurey (
Lois Wilson, January 4, 1955 to September 5, 1955;
Virginia Payne, March 30, 1956 - June 7, 1956 and November 29, 1957) • Marie Wallace Grant (Lynne Rogers, January 14, 1955 to end of decade) • Lila Taylor Kelly (
Nancy Wickwire, October 10, 1955 to August 17, 1956;
Teri Keane, September 5, 1956 to May 31, 1957) • Dan Clark (Unknown, April 23, 1956 to May 14, 1957) • Albert Franklin (Unknown, August 28, 1956 to June 24, 1957) Elsie's second husband, character killed off. • Clyde Palmer (March 5 & 7, 1957 and November 26, 1957 to July 10, 1958) Trudy's husband. • Judith Morrow (Unknown, February 17, 1958 to March 12, 1959) • Nora Gibbs (
Joanne Linville, May 19, 1959 to December 22, 1959) • Joe Turino (
Joseph Campanella, April 9, 1959 to end of decade) ==Plot development==