Abe Mercer (played by Milton Berle) is a protagonist in Side by Side.
Louis Hammerstein (played by Sid Caesar) appears in Side by Side.
Charlie Warren (played by Danny Thomas) appears in Side by Side.
Alice Grayson (played by Georgann Johnson) appears in Side by Side.
Moe (played by Morey Amsterdam) appears in Side by Side.
Tony Mercer (played by Michael Lembeck) appears in Side by Side.
Matt (played by Richard Kline) appears in Side by Side.
Frances Mercer (played by Edith Fields) appears in Side by Side.
