Step by Step is an American television sitcom with two single parents, who spontaneously get married after meeting one another during a vacation, resulting in them becoming the heads of a large blended family
Patrick Duffy
as Frank Lambert
Suzanne Somers
as Carol Foster Lambert
Brandon Call
as J.T. Lambert
Staci Keanan
as Dana Foster
Christine Lakin
as Alicia Lambert
Angela Watson
as Karen Foster
Christopher Castile
as Mark Foster
Jason Marsden
as Rich Halke
Emily Mae Young
as Lilly Foster-Lambert
Alexandra Adi
as Samantha Milano
