[2] He played the host on Inner Sanctum Mystery on radio[3] and on a syndicated TV version of the program.

[4] His other work on television included appearances on the dramas Armstrong Circle Theatre, Hallmark Hall of Fame, and The United States Steel Hour.

He also was featured on TV serials, including The Edge of Night, The Doctors, Love of Life, Guiding Light, and The Secret Storm.

[1] McGrath's work on stage included performing as a member of the George Sharp Stock Company at the Pitt Theater in Pittsburgh, Pennsylvania.

[6] McGrath was married to actresses Lulu Mae Hubbard (who died in 1966)[5] and Anne Sargent.