ICM Partners has hired Hilary Baum McQuaide, Taryn Ariel and Rebecca Ewing and promoted Katie Kolben to their motion picture talent and literary departments.

McQuaide will join the agency’s motion picture production department, Ariel will focus on comedy and Ewing will be joining the lit department.

All three will be based in the Los Angeles offices while Kolben will be based in New York.

Among the clients joining McQuaide at ICM Partners are film, television and commercial cinematographers including Gyula Pados, Salvatore Totino, Matthew J. Santo and John Lynch and production designers Anne Ross and Tom Foden, among others.

Ariel, a comedy agent who was based in APA’s New York office, will transition to Los Angeles as a talent agent with a focus on comedy development. Ewing joins ICM Partners’ motion picture literary unit from Intellectual Artists Management, where she managed both writers and directors.