Leritz made his theatrical debut in the children's chorus of the World Stage Premiere of Rodgers and Hammerstein's musical STATE FAIR, starring Ozzie & Harriet Nelson at the St. Louis Municipal Opera. STATE FAIR was supervised by Richard Rodgers, directed by James Hammerstein and choreographed by Tommy Tune.

Lawrence made his Broadway debut in Sir Frederick Ashton's production of FONTEYN & NUREYEV ON BROADWAY, in the legendary duo's farewell engagement at the Gershwin Theatre.  Leritz returned to Broadway when he was chosen by Jerome Robbins for his revival of FIDDLER ON THE ROOF at the New York State Theatre, starring Herschel Bernardi & Maria Karnilova. Leritz was then asked to direct & star in BROADWAY MUSICAL SHOWSTOPPERS, playing to SRO audiences on Broadway and national tour. Leritz returned to co-star with Judy Kaye, John Reardon, John Schuck, and Lorene Yarnell ("Shields & Yarnell") at the St. Louis Municipal Opera in Cole Porter's CAN-CAN, garnering rave reviews. Leritz recently starred Off-Broadway as the CIA villian Edgar in the US premiere of FUNDING THE ARTS at the Baryshnikov Arts Center. Other favorite roles include Bill Calhoun in KISS ME, KATE.

Lawrence produced and choreographed the hit show,BOOBS! THE MUSICAL, which opened at The Triad Theatre, May 20th, 2003 to enthusiastic reviews.  BOOBS! THE MUSICAL eventually transferred to Dillon's Reprise Room; by closing date it had played 300 performances. It had subsequent long runs in New Orleans (2004) and Wichita (2005). Lawrence was nominated for New York's 2004 MAC Award for Best Musical Revue.

Leritz is currently busy as producer and choreographer for the New York production of Ron Palillo's play, THE LOST BOY.

The New York Times: "The six-person cast is expertly choreographed by Lawrence Leritz"

The St. Louis Post-Dispatch: "Can-Can opened in dazzling style, reminiscent of the Muny glory days, weaving a magic spell. Leritz and Yarnell are teamed in exciting style. Their dancing is fabulous."